American Imperialism
What frontier was declared officially "closed" by the U.S. Census Bureau in 1890, prompting Americans to look overseas?
The Western Frontier
Which president was known for aggressively breaking up monopolies during the early 1900s?
Theodore Roosevelt
Initially, how did President Woodrow Wilson respond to the outbreak of World War I in Europe?
Declared neutrality (kept the U.S. neutral)
Which famous trial of the 1920s highlighted conflicts between science and religious beliefs?
Scopes Trial (Scopes "Monkey" Trial)
Before officially entering WWII, what policy allowed the U.S. to supply Allied countries with war materials?
Lend-Lease Act
Which war led to the United States acquiring territories such as Puerto Rico, Guam, and the Philippines?
Spanish-American War
What Progressive achievement resulted from the ratification of the 19th Amendment?
Women's right to vote (Women's suffrage)
The sinking of what British passenger liner by a German submarine heightened tensions between the U.S. and Germany in 1915?
Lusitania
What term refers to the nationwide fear of communism and radical politics that erupted in the U.S. after WWI?
Red Scare
During WWII, what executive action by FDR forcibly relocated over 110,000 Japanese Americans?
Executive Order 9066 (Japanese American Internment)
Who wrote The Influence of Sea Power Upon History, advocating for a stronger U.S. Navy and overseas expansion?
Alfred Thayer Mahan
What muckraking novel by Upton Sinclair led directly to federal regulation of food safety (including the Meat Inspection Act and the Pure Drug and Food Act)?
The Jungle
What intercepted German communication encouraged Mexico to join the war against the United States?
Zimmermann Telegram
What New Deal agency provided electricity and economic development to a poor, rural region of the South?
Tennessee Valley Authority (TVA)
What was the secret U.S. government program to develop the atomic bomb called?
Manhattan Project
Which famous American author strongly opposed U.S. annexation of the Philippines and was part of the Anti-Imperialist League?
Mark Twain
A devastating fire at what New York City garment factory led to significant workplace safety reforms?
Triangle Shirtwaist Factory
Which Supreme Court case set a precedent by limiting freedom of speech when it created a "clear and present danger" during wartime?
Schenck v. United States
What major New Deal reform provided retirement pensions for elderly Americans and is still in effect today?
Social Security Act
Which landmark Supreme Court decision upheld the internment of Japanese Americans during WWII as constitutional?
Korematsu v. United States
What conflict involved revolutionaries fighting against American rule following the Spanish-American War?
Philippine-American War (Philippine Insurrection)
Which prominent African American leader co-founded the NAACP and advocated immediate civil rights action against segregation?
W.E.B. Du Bois
Which international peacekeeping organization, proposed by Wilson, did the U.S. Senate reject after WWI because they wanted to return to an isolationist nation?
League of Nations
What controversial proposal by FDR sought to add additional Supreme Court justices favorable to New Deal programs?
Court-Packing Plan (Judicial Procedures Reform Bill of 1937)
In early 1945, what wartime conference involved Roosevelt, Churchill, and Stalin planning postwar Europe's future, contributing to Cold War tensions?
Yalta Conference