Theodore Roosevelt {Ans: 26th president, known for: conservationism, trust-busting, safe food regulations, "Square Deal," Panama Canal, Great White Fleet, Nobel Peace Prize for negotiation of peace in Russo-Japanese War}Bay of Pigs Invasion {Ans: failed invasion of Cuba in 1961 when a force of 1,200 Cuban exiles, backed by the United States, landed at the Bay of Pigs.}Interstate Highway Act {Ans: Created in 1956 (under Eisenhower) that authorized funds to create 41,000 miles of highway consisting of multi-lane expressways and that would connect to major cities and could be used for national defense in case of attack}Island Hopping {Ans: A military strategy used during World War II that involved selectively attacking specific enemy-held islands and bypassing others}United Nations {Ans: An international organization formed after WWII to promote international peace, security, and cooperation.}Marshall Plan {Ans: A United States program of economic aid for the reconstruction of Europe (1948-1952)}