Allied occupation
division of Germany into four zones, with the United States, Great Britain, France, and the Soviet Union each occupying a zone
armistice
agreement to end a war
arms race
rivalry between unfriendly or hostile nations in accumulating or developing weapons
blockade
isolation of an enemy area to prevent passage of people or supplies
cold war
restricted war with very limited combat fought on political and economic fronts, using propaganda
collective defense
strategy of building a regional coalition of nations in which each nation agrees to defend members of the coalition from outside attack
containment
policy to prevent the spread of a hostile ideology to other countries
Cuban missile crisis
political confrontation between the United States and the Soviet Union over the presence of Soviet nuclear missiles in Cuba
demarcation line
boundary or border of a specific area
demilitarized zone (DMZ)
area free of weapons and military forces
domino theory
idea that the fall of a noncommunist country to communism would cause neighboring noncommunist countries to also fall to communism
Interstate Highway Act
massive project undertaken to build a superhighway system to connect cities and towns throughout the United States
Marshall Plan
U.S. program of massive financial aid to European countries devastated by World War II
North Atlantic Treaty Organization (NATO)
coalition made up of 10 European countries along with Canada and the United States; formed to defend nations in the coalition from outside attack
Operation Vittles
airlift of food, fuel, and other necessary supplies to Berliners beginning in 1948
rollback
strategy of pushing communism out of areas where it was already present
space race
rivalry between the United States and the Soviet Union for achievements in space exploration
stalemate
situation in which neither side has the opportunity to advance
Truman Doctrine
U.S. foreign policy to oppose Soviet aggression by aiding countries resisting communist control
United Nations (U.N.)
international organization founded in 1945 to maintain peace and security throughout the world
Warsaw Pact
treaty between the Soviet Union and seven Eastern European countries signed in 1955 as a response to NATO