| A | B |
| Cold War | After WW II world is left w/ two competing superpowers; US and USSR |
| Containment | US policy during Cold War to stop the spread of communism |
| "Iron Curtain" | The clear division in Europe between communist and non-communist nations |
| NATO | Defensive alliance after WWII, US a member. For collective security |
| Truman Doctrine | US will aid countries fighting off communism (Turkey and Greece) |
| The Marshall Plan | $13 bill. in economic aid to help rebuild Europe after WWII so countries don't turn communist |
| The Domino Theory | Idea that if one Asian nation fell to communism they all would - Korea and Vietnam |
| Gen. MacArthur | Relieved of his command by Truman; reaffirms civilian control of military |
| McCarthyism | To accuse someone of being a communist w/out proof; go on a witchhunt during Cold War |
| Korean War | 1sr United Nations mission; over communism |