This document, ratified in 1788, established the framework of the U.S. federal government.
Constitution
This 1776 document declared the American colonies' independence from Britain.
Declaration of Independence
This economic system is based on private ownership of property and free markets.
Capitalism
This imaginary line divides the Earth into the Northern and Southern Hemispheres.
Equator
This ancient civilization built the pyramids of Giza.
Ancient Egypt
This amendment guarantees freedoms of speech, religion, press, assembly, and petition.
the First Amendment
This war, fought from 1861 to 1865, was fought between the Union and the Confederacy.
Civil War
This term describes a general rise in prices and a fall in the purchasing value of money.
Inflation
This is the largest ocean on Earth.
Pacific Ocean
This global war, fought from 1939 to 1945, pitted the Allied Powers against the Axis Powers.
World War II
This principle divides government power among the executive, legislative, and judicial branches.
Separation of Powers
This 1929 event helped trigger the Great Depression.
the stock market crash
This economic law states that, all else equal, as the price of a good rises, the quantity demanded falls.
Law of Demand
This term describes the movement of people from rural areas into cities.
Urbanization
This revolution, beginning in 1789, overthrew the French monarchy.
French Revolution
This system allows each branch of government to limit the powers of the other branches.
Checks and Balances
This 1954 Supreme Court case ruled that racial segregation in public schools was unconstitutional.
Brown v. Board of Education
This federal institution is responsible for setting U.S. monetary policy and regulating banks.
the Federal Reserve
This mountain range is often considered the natural boundary between Europe and Asia.
Ural Mountains
This wall, built in 1961, divided East and West Berlin until it fell in 1989.
Berlin Wall
This 1803 Supreme Court case established the principle of judicial review.
Marbury v. Madison
Martin Luther King Jr. delivered this famous 1963 speech at the Lincoln Memorial.
"I Have A Dream"
This branch of geography studies the relationship between human activity and the physical environment.
Human geography
This measure represents the total value of all goods and services produced within a country in a given period.
GDP (Gross Domestic Product)
This 18th-century intellectual movement emphasized reason, individual rights, and skepticism of traditional authority.
Enlightenment