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| 8773646665 | Roosevelt Corollary | Warned of U.S. intervention in Latin American affairs when necessary | 0 | |
| 8773651266 | Zimmermann Note | Proposed an alliance between Germany and Mexico during World War I | 1 | |
| 8773658005 | Archduke Francis Ferdinand | His assassination sparked the declaration of World War I | 2 | |
| 8773674685 | Espionage Act | Imposed sentences up to 20 years in prison for persons found guilty of aiding the enemy, obstructing recruitment of soldiers, or encouraging disloyalty during World War I | 3 | |
| 8773678005 | Sedition Act | Imposed harsh penalties on anyone using "disloyal, profane, scurrilous, or abusive language" about the government, flag, or armed forces during World War I | 4 | |
| 8773696792 | Great Migration | Movement of African Americans from the South to the North in search of jobs | 5 | |
| 8773700376 | Fourteen Points | President Wilson's peace plan to avoid future wars | 6 | |
| 8773704514 | Treaty of Versailles | Signed by Germany at the end of World War I; included a war-guilt clause and reparations | 7 | |
| 8773717746 | Red Scare | Resulted from a fear of Communists from Russia (USSR) | 8 | |
| 8773728641 | Federal Deposit Insurance Corporation | New Deal agency that insures bank accounts to $250,000 | 9 | |
| 8773733273 | Social Security Act | New Deal agency that provides old age pension and survivors benefits | 10 | |
| 8773767000 | Franklin D. Roosevelt | Promised a "New Deal" for America | 11 | |
| 8773769243 | New Deal | Programs to provide relief, reform, and recovery after the Great Depression | 12 | |
| 8773795643 | Good Neighbor Policy | Promised Latin American countries a cooperative relationship with the U.S. | 13 | |
| 8773797215 | Lend-Lease Act | Allowed President Franklin Roosevelt to provide arms to certain foreign countries without antagonizing American isolationists | 14 | |
| 8773806136 | Manhattan Project | Code name for the atomic bomb project | 15 | |
| 8773844050 | Rosie the Riveter | encouraged women to work in factories | 16 | |
| 8773859549 | Cold War | Bitter state of indirect conflict that existed between the US and the USSR after WW2 that involved political conflict and military tensions | 17 | |
| 8773863531 | NATO | Based on the idea of mutual defense against a Soviet attack | 18 | |
| 8773867267 | Sputnik | First satellite | 19 | |
| 8773869484 | Domino theory | If one country falls to communism then the next will fall and so on | 20 | |
| 8773875625 | Joseph McCarthy | Leading figure of the Red Scare of the early 1950s | 21 | |
| 8773879032 | Satellite nation | Eastern European countries whose governments were controlled by the USSR | 22 | |
| 8773881813 | Containment | Policy of stopping the spread of communism | 23 | |
| 8773889042 | Iron curtain | Represented a symbolic division of Europe | 24 | |
| 8773896843 | GI Bill | Gave low-interest loans to veterans to go to college and buy a house | 25 | |
| 8773902290 | Flappers | Women who changed values in the 1920s, asserted their independence, demanded more freedoms | 26 | |
| 8773909449 | National Origins Act of 1924 | Reduced immigration due to social tensions from World War I | 27 | |
| 8773925363 | Dust Bowl | Caused farmers in the Midwest to lose their jobs and head West in search of jobs | 28 | |
| 8773932155 | Baby boom | Caused the population to triple and families to move to the suburbs | 29 | |
| 8773946722 | Civil Rights Act of 1964 | Banned discrimination based on race, gender, religion, or nationality | 30 | |
| 8773951098 | Betty Friedan | Wrote The Feminine Mystique that talked about the "problem that has no name" | 31 | |
| 8773956261 | Gulf of Tonkin Resolution | Congressional act giving the President complete control over US intervention in Vietnam | 32 | |
| 8773962561 | Cuban missile crisis | US announced a naval quarantine around Cuba and told the USSR not to cross with new weapons or US will attack | 33 | |
| 8773974540 | Deterrence | Policy of making the US so powerful that no enemy would dare attack | 34 | |
| 8773981599 | Counterculture | Rejected conventional norms and values and experimented with new ones in the 1960s | 35 | |
| 8773986925 | Feminism | Political, economic, and social equality of men and women | 36 | |
| 8773997785 | War Powers Resolution | Put limits on the President's power to make war | 37 | |
| 8774015456 | Progressivism | Reform movement that sought to return control of the government to the people | 38 | |
| 8774041341 | Détente | Relaxing of tensions with the USSR | 39 | |
| 8774055450 | War on Terror | Occurred in response to 9/11 attacks | 40 | |
| 8774110733 | Brown v. Board of Education | Desegregated schools | 41 | |
| 8774112923 | Immigration Act of 1965 | Ended immigration quotas | 42 | |
| 8774122514 | Great Society | President Johnson's domestic program; included Medicare and Medicaid | 43 | |
| 8774136801 | Conformity | Sense of uniformity in the 1950s in which Americans followed strict societal roles | 44 | |
| 8774174265 | League of Nations | Peacekeeping organization formed after World War I | 45 | |
| 8774181186 | Harlem Renaissance | Development of African American culture, literature, art | 46 | |
| 8774197827 | Japanese Internment Camps | Resulted from fear from the Japanese attack on Pearl Harbor | 47 | |
| 8774200032 | Plessy v. Ferguson | Established the separate but equal doctrine | 48 | |
| 8774202297 | Muckrakers | Journalists who wrote about corrupt business and questionable practices | 49 | |
| 8774204389 | 19th Amendment | Gave women the right to vote | 50 | |
| 8774226245 | Pearl Harbor | Reason for US entry into World War II | 51 | |
| 8774229912 | Axis Powers | Germany, Italy, and Japan during World War II | 52 | |
| 8774234462 | Allied Powers | USA, France, Britain, and USSR during World War II | 53 | |
| 8774247346 | Cesar Chavez | Founder of United Farm Workers Organizing Committee; wanted better pay, working conditions, union recognition | 54 | |
| 8774260638 | Sunbelt | Region stretching from the Carolinas to California that has seen growth since the 1960s due to favorable climate and cheaper labor | 55 | |
| 8774483628 | D-day invasion | Led to liberation of France | 56 | |
| 8774487712 | Nativism | Policy of protecting the interests of native-born or established inhabitants against those of immigrants. | 57 | |
| 8774491696 | William Levitt | Developer who mass produced homes | 58 | |
| 8774513441 | Woodstock | Art and Music Fair for the counterculture | 59 |
