Roosevelt Corollary : policy that extended the Monroe Doctrine and said the U.S. had the right to force countries in the Western Hemisphere to pay their debts in order to prevent European interference.
Rough Riders : a group of cowhands, college students, and African American soldiers who fought with Teddy Roosevelt in the Spanish American War, who charged San Juan Hill.
League of Nations : peace keeping plan developed by Woodrow Wilson in 1920. It was point 14 of the 1918 Fourteen Points speech to Congress. It consisted of a General Assembly of representatives of countries who were required to protect one another’s territories against attack.
The United States involvement in World War I ended a long tradition of avoiding involvement in European conflicts and set the stage for the United States to emerge as a global superpower later in the 20 th century.
There were disagreements about the extent to which the United States should isolate/separate itself from world affairs.