Justiciability & Article III Jurisdictional Limits
The Commerce Clause and Scope
The Dormant Commerce Clause & State Power
Treaties and the treaty power
War Powers
Taxation & Spending Power
100

Under Lujan v. Defenders of Wildlife, the irreducible constitutional minimum of Article III standing requires a plaintiff to demonstrate these three structural elements[1].

What are Injury in Fact (concrete and particularized, actual or imminent), Causation (fair traceability to the defendant), and Redressability?

100

In Gibbons v. Ogden, Chief Justice Marshall defined "commerce" to comprehend all commercial intercourse, including navigation, and interpreted "among the several States" to mean commerce that concerns more states than one, reaching into this geographic boundary.

What is the interior of a State?

100

In Cooley v. Board of Wardens, the Supreme Court established that the Commerce Clause does not automatically deprive states of authority to regulate local pilotage because subjects of commerce that are local in nature do not require this national mandate.

What is a uniform national rule (or exclusive congressional regulation)?

100

Under Article II, Section 2, Clause 2, treaties made by the President acquire binding legal force upon receiving the advice and consent of this proportion of the Senate.

What is a two-thirds supermajority vote?

100

In The Prize Cases, the Supreme Court held that while Congress holds the exclusive power to declare war, the President as Commander-in-Chief possesses the duty and authority to take this action without prior legislative declaration when the nation is attacked.

What is to meet force with force and resist armed invasion or insurrection?

100

In United States v. Butler, the Supreme Court adopted Alexander Hamilton's expansive interpretation of Article I, Section 8, Clause 1, ruling that Congress's power to tax and spend is a substantive power limited only by this constitutional qualifier.

What is providing for the common defense and general welfare of the United States?

200

In Massachusetts v. EPA, the Supreme Court held that a sovereign State seeking to protect its quasi-sovereign territory and environmental resources under a statutory procedural right is entitled to this relaxed standing posture.

What is "special solicitude" in the standing analysis?

200

Under the protective principle established in the Shreveport Rate Case, Congress possesses the authority to regulate purely intrastate operations of interstate carriers whenever necessary to foster, protect, and maintain this system[8][9].

What is the security, efficiency, or operational integrity of interstate commerce?

200

In City of Philadelphia v. New Jersey, the Supreme Court held that a state law prohibiting the importation of out-of-state waste is virtually per se invalid because it impermissibly isolates the state from national trade by doing this.

What is discriminating against out-of-state commerce for protectionist economic ends?

200

In Missouri v. Holland, Justice Holmes established that when a valid treaty addresses a national concern of highest importance, Congress possesses legislative power under the Necessary and Proper Clause to enact implementing legislation, even if the subject matter intrudes into domains traditionally reserved to states by this amendment.

What is the Tenth Amendment?

200

In Woods v. Cloyd W. Miller Co., Justice Douglas held that Congress's war powers authorize postwar rent control legislation even after the cessation of active hostilities because the war power extends to remedy these continuing conditions.

What are the direct evils, disruptions, or consequences arising from the rise and progress of war?

200

In Bailey v. Drexel Furniture Co. (The Child Labor Tax Case), the Supreme Court invalidated the Child Labor Tax Law because a 10% net profit tax triggered by a single knowing violation crossed the line from a revenue measure into this unconstitutional penalty.

What is a prohibitory penalty designed to regulate local employment conditions reserved to the states?

300

Under Flast v. Cohen, federal taxpayer standing to challenge spending legislation requires a two-fold logical nexus: the statute must be an exercise of authority under the Taxing and Spending Clause, and it must breach this specific constitutional restraint[4].

What is the Establishment Clause of the First Amendment?

300

Under Wickard v. Filburn, intrastate production and home consumption of a commodity may be regulated under Category III if that conduct, evaluated across the nationwide class under this doctrine, exerts a substantial economic effect on national market supply and prices.

What is the aggregation principle (or aggregation doctrine)?

300

In Dean Milk Co. v. City of Madison, the Supreme Court struck down a 5-mile processing ordinance, establishing that facially discriminatory municipal health regulations violate the Dormant Commerce Clause if this alternative condition exists.

What are reasonable, non-discriminatory alternatives that achieve the legitimate local purpose?

300

In Missouri v. Holland, the Supreme Court emphasized that while ordinary acts of Congress must be grounded in explicit enumerated powers, treaties derive their supreme legal authority directly from this constitutional clause.

What is the Supremacy Clause (Article VI) and the Treaty Clause (Article II, Section 2)?

300

Under Section 4(a) of the War Powers Resolution of 1973, whenever the President introduces U.S. Armed Forces into hostilities without a declaration of war, a written report must be submitted to Congress within this strict timeframe.

What is 48 hours?

300

In South Dakota v. Dole, the Supreme Court established that conditional grants of federal funds to state governments are valid under the Spending Power provided the conditions are unambiguous, related to national program goals, not barred by independent constitutional provisions, and do not cross this line.

What is crossing the line from financial inducement to unconstitutional coercion (or compulsion)?

400

Under Abbott Laboratories v. Gardner, evaluating whether a pre-enforcement administrative challenge is ripe for judicial review requires balancing the fitness of the issues for judicial decision against this hardship metric.

What is the hardship to the parties of withholding court consideration?

400

In United States v. Lopez, Chief Justice Rehnquist delineated the three categories of Commerce Clause authority, invalidating the Gun-Free School Zones Act because firearm possession in a local school zone constituted this non-aggregable type of activity.

What is purely non-economic, non-commercial activity?

400

In Hunt v. Washington State Apple Advertising Commission, the Supreme Court invalidated a facially neutral labeling statute because its practical effect stripped out-of-state producers of this market asset.

What is an earned competitive advantage (or superior state grading system)?

400

Under the constitutional principle affirmed in Reid v. Covert, while a valid treaty can expand congressional legislative power beyond standard enumerated limits, no treaty or implementing statute can override or suspend these fundamental guarantees.

What are explicit constitutional prohibitions and individual constitutional rights?

400

Under Section 5(b) of the War Powers Resolution of 1973, the President must terminate the use of U.S. Armed Forces in foreign hostilities within this default period unless Congress declares war or authorizes an extension.

What is 60 days (extendable by 30 days for safe withdrawal)?

400

In South Dakota v. Dole, the Court characterized the withholding of 5% of federal highway funds from states with minimum drinking ages under 21 as this permissible form of pressure.

What is "relatively mild encouragement"?

500

Under Friends of the Earth v. Laidlaw, a defendant claiming that its voluntary abandonment of an allegedly unlawful practice renders a case moot carries the heavy burden of establishing this standard of proof.

What is proving that it is absolutely clear that the allegedly wrongful conduct could not reasonably be expected to recur?


500

In Gonzales v. Raich, the Supreme Court sustained federal regulation of locally cultivated medical marijuana under the Necessary and Proper Clause because exempting local consumption would undercut this broader statutory framework.

What is a comprehensive regulatory scheme (the Controlled Substances Act)?

500

In West Lynn Creamery, Inc. v. Healy, the Supreme Court struck down a milk pricing order because combining a non-discriminatory assessment on all milk with a targeted local subsidy functionally replicated this prohibited trade barrier.

What is a protective tariff?

500

In United States v. Curtiss-Wright Export Corp., Justice Sutherland II established that the President's authority over foreign affairs and international negotiations derives not merely from enumerated domestic grants, but from this inherent source.

What is inherent national sovereignty in external relations?

500

In Hamdi v. Rumsfeld, Justice O'Connor's plurality opinion established that while the AUMF authorizes the detention of U.S. citizens captured as enemy combatants, procedural due process requires that the detainee be provided notice of allegations and a fair opportunity to do this before a neutral decisionmaker.

What is to rebut the government's factual claims regarding combatant status?

500

In NFIB v. Sebelius, Chief Justice Roberts sustained the ACA's Individual Mandate under the Taxing Power because the shared responsibility payment is collected by the IRS, calculated on income, produces revenue, and lacks this punitive characteristic.

What is criminal liability (or a scienter requirement / prohibitory sanction)?

600

In Nixon v. United States, the Supreme Court held that a judicial challenge to Senate impeachment trial procedures was non-justiciable because Article I, Section 3, Clause 6 commits this exclusive textual mandate to the Senate.

What is the "sole Power to try all Impeachments"?

600

In NFIB v. Sebelius, Chief Justice Roberts established that while the Commerce Clause empowers Congress to regulate existing commercial activity, it does not authorize Congress to compel inactive individuals to perform this act.

What is entering into commercial activity (or purchasing an unwanted commodity)?

600

In South-Central Timber Development, Inc. v. Wunnicke, the Supreme Court limited the market participant exception, ruling that Alaska could not condition standing timber sales on in-state processing because states cannot use market power to impose this type of condition.

What is a "downstream" restriction in a market where the state does not participate?

600

In United States v. Curtiss-Wright Export Corp., Justice Sutherland famously characterized the President as holding this exclusive constitutional status in the realm of international relations.

What is the "sole organ of the federal government in the field of international relations"?

600

In Boumediene v. Bush, the Supreme Court held that non-citizen enemy combatants detained at Guantanamo Bay possess a constitutional right to petition for this writ, ruling that statutory jurisdiction-stripping violated the Suspension Clause.

What is the writ of habeas corpus?

600

In NFIB v. Sebelius, seven Justices struck down the ACA's mandatory loss of 100% of pre-existing Medicaid funding for non-expanding states, concluding that threatening over 20% of a state's budget constituted this unconstitutional pressure.

What is a "gun to the head" (or unconstitutional coercion/conscription of the States under the Spending Clause)?

700

Under City of Los Angeles v. Lyons, a plaintiff who establishes a past constitutional injury possesses Article III standing to seek backward-looking monetary damages, but lacks standing to obtain prospective injunctive relief absent demonstrating this specific temporal threat.

What is a certainly impending threat of future injury?

700

In Heart of Atlanta Motel v. United States, the Supreme Court held that Congress may exercise its Commerce Clause authority to prohibit racial discrimination in public accommodations, establishing that the presence of moral or social objectives does not invalidate federal regulation if the targeted conduct exerts this impact on interstate commerce.

What is a substantial and harmful effect on interstate commerce?

700

In Reeves, Inc. v. Stake, the Supreme Court held that South Dakota could prefer its own state residents in selling state-owned cement during a shortage because the state acted under this exception to the Dormant Commerce Clause.

What is the Market Participant Exception?

700

In Medellín v. Texas, the Supreme Court held that an international treaty decision from the International Court of Justice does not constitute directly enforceable federal law in domestic state courts unless the treaty is self-executing or Congress enacts this legislation.

What is statutory implementing legislation?

700

In Korematsu v. United States, the Supreme Court first declared that all state and federal classifications based on race or national origin are immediately suspect and subject to rigid judicial scrutiny, yet sustained the military exclusion order citing this wartime imperative.

What is pressing public necessity (or military necessity / national security)?

700

In Sonzinsky v. United States, the Supreme Court signaled a retreat from the "disguised regulation" doctrine of Bailey v. Drexel Furniture, holding that courts will not inquire into congressional motives or regulatory intent so long as a tax statute satisfies this objective condition.

What is producing some revenue on its face?

800

In DeFunis v. Odegaard, the Supreme Court held that a law student's equal protection challenge to university admissions procedures became moot because the student was permitted to complete their final academic semester regardless of the litigation's outcome, thereby eliminating this Article III requirement.

What is a continuing personal stake in the outcome of a live controversy?

800

In Katzenbach v. McClung, the Supreme Court sustained the application of Title II of the Civil Rights Act of 1964 to a local restaurant, reasoning that federal commercial authority reaches intrastate dining establishments where a substantial portion of the food served has moved in this channel.

What is the stream of interstate commerce?

800

In Maine v. Taylor, the Supreme Court sustained a state ban on the importation of out-of-state baitfish—a rare instance of a facially discriminatory statute surviving heightened Dormant Commerce Clause scrutiny—because the state established an irreplaceable ecological threat and this procedural necessity.

What is the complete absence of available, non-discriminatory alternatives?

800

In Reid v. Covert, the Supreme Court established that while an international treaty can expand congressional legislative authority under the Necessary and Proper Clause, no treaty or executive agreement can override or violate these fundamental constitutional limits.

What are explicit constitutional prohibitions and individual rights in the Bill of Rights?

800

In Ex parte Quirin, the Supreme Court distinguished Milligan and upheld the trial of enemy saboteurs by a military commission, ruling that combatants who enter U.S. territory in secret without uniforms to commit hostile acts acquire this legal status

What are unlawful combatants (or belligerents)?

800

In Pennhurst State School & Hospital v. Halderman, the Supreme Court established a fundamental Spending Clause principle, holding that if Congress intends to impose binding conditions on the grant of federal funds to states, it must do so in this explicit textual manner.

What is stating the conditions unambiguously (so states accept them voluntarily and knowingly)?

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