| A | B |
| superpowers | United States and Soviet Union - no one else matched their military strength |
| Cold War | War of ideals - US and Soviet Union tried to gain influence in the world using all possible methods short of total war |
| "hot war" | development of the atomic bomb meant a war fought with military weapons, where combat would be more deadly than ever |
| United Nations | A world peace-keeping organization that began in 1945 with delegates from 50 nations |
| satellite state | countries controlled by a more powerful nation |
| policy of containment | A well-known American diplomat named George F. Kennan argued that the US should hold back the spread of communism. This became know as... |
| Truman Doctrine | President Harry S. Truman made a speech and asked Congress for money to fight against communisim. This speech was known as.... |
| hot spot | an area with a lot of tension and where fighting could break out at any time |
| Iron Curtain | an invisible political line, dividing Europe |
| nuclear annihilation | completely distroying something with nuclear weapons |
| domino theory | President Eisenhower used this to describe potential threats that if Vietnam fell to the Communists, then other countries would fall too |
| Geneva Accords | divided Vietnam at the 17th parallel into Communist and non-Communist governments |
| blockade | close off - this happened in the Cuban Missile Crisis |