Ch. 19-21 (8)
Ch. 22-24 (8)
Ch. 25 (7)


Define: the acquisition of colonies to get resources and markets to sell goods, as well as, to spread democracy and christianity

Significance: the US acquired Hawaii, Puerto Rico, the Philippines, etc

Monroe Doctrine

Define: An announcement that Europe should not intervene or set up new colonies in the Western Hemisphere.

Significance: it led us away from our policy of neutrality

Big Stick Policy

Define: Roosevelt’s policy to use the navy to further American interests [force]

Significance: we encouraged a revolt in Colombia to get the panama canal

Roosevelt Corollary

Define: it extended the Monroe Doctrine to give the US “international police powers”

Significance: intervene in Latin America (e.g. Dominican Republic)

Dollar Diplomacy

Define: Taft’s policy to promote America’s business interests in Latin America [economic]

Significance: Taft put a pro-US gov’t in Nicaragua to protect our businesses

Moral Diplomacy

Define: Wilson’s policy to promote human rights and self-determination [promote ideals]

Significance: he ended up intervening more than Roosevelt & Taft

Panama Canal

Define: a canal built through Panama to connect the Atlantic Ocean to the Pacific ocean so that we can transport goods quickly

Significance:the US helped overthrow the Colombian rule in Panama to get the canal

Open Door Policy

Define: the US policy to prevent Europe and Japan from colonizing China

Significance: the “free trade” allowed the US to sell goods to China & make money


Define: a merchant ship sunk by a German U-Boat, killing 128 Americans

Significance: we declared war after the Germans returned to using surprise submarine attacks

Selective Service Act

Define: a national draft of males between 21 & 30 to buiild up the US's army

Significance: used propaganda to ecourage men to comply

Committee on Public Information (CPI)

Define: The government agency used propaganda to "sell" the war to the nation.

Significance: The CPI used leaflets, books, movies and speeches in various languages.

Liberty Bonds

Define: The government sold bonds in order to raise money for the war. The bonds would later be bought back for more money.

Significance: The government used celebrities to promote the buying of bonds.

Great Migration

Define: The mass migration of African Americans from the South to the North and West.

Significance: Racism pushed them out of the South and war jobs pulled them to the North.

Espionage & Sedition Acts

Define: laws to prevent protests that obstructed the war effort

Significance: they limited civil liberties such as free speech


Define: the socialist union opposed WWI by claiming it was an imperialist war

Significance: hundreds of the IWW leaders were arrested for protesting

Schenck v. United States

Define: Schenck was arrested for protesting

Significance: the Supreme Court said his free speech could be curbed under “clear & present danger”

Fourteen Points

Define: Wilson’s plan for world peace

Significance: it was partially used for the Treaty of Versailles

Treaty of Versailles

Define: the treaty with Germany following WWI that created the League of Nations

Significance: the US didn’t ratify it


Define: Senators that would vote for the treaty if changes were made

Significance: didn’t want the League to commit the US to anything


Define: group of Senators that wouldn’t vote for the treaty no matter what

Significance: they wanted to remain isolated


Define: they strongly supported the Treaty

Significance: they wanted the US to cooperate more

League of Nations

Define: int’l organization to promote peace  through collective security

Significance: the US didn’t join it b/c many feared it would commit us to future wars

War Guilt Clause

Define: the Germans had to admit total guilt for WWI

Significance: Wilson saw this as punishing




Here is an example of a note card.