Appropriation: A sum of money designated to fund or be spent on a specific project.

Draft cards: From the mid-1960s through the mid-1970s, all males had to register for the draft upon turning eighteen. After registering, an individual received a draft card that contained a draft number. A lottery system was used to determine which available males would be "drafted" —required to serve in the military.

Enfranchisement: Voting rights.

Great Society: A set of social programs proposed by President Lyndon B. Johnson designed to end segregation and reduce poverty in the United States.

Hawks: Supporters of war (named after a bird of prey); often contrasted with doves—those who favor peaceful solutions.

National Aeronautics and Space Administration

(NASA): The agency in charge of the U.S. space program.

New Deal: The legislative program of President Franklin D. Roosevelt during the...