Communism: A system where the government controls the distribution of goods and services and limits individual freedom.

Détente: A relaxing of tensions between rival nations, marked by increased diplomatic, commercial, and cultural contact.

Devalued: An economic situation in which the value of one country's currency (the dollar, for example) is lowered against another international currency.

Electoral College: A body officially responsible for electing the president of the United States. In presidential elections, the candidate who receives the most popular votes in a particular state wins all of that state's electoral votes. Votes are distributed among states in ratios based on population. A candidate must win a majority of electoral votes (over fifty percent) in order to win the presidency.

Impeachment: A legislative proceeding charging a public official with misconduct. Impeachment consists of the formal accusation of such an official and the trial...