| A | B |
|---|
| North Atlantic Treaty Organization | 1948, to protect W. Europe and the U.S. |
| George Kennan's "Long Telegram" | 1946, delineated "Containment" |
| Truman Doctrine | 1947, to aid any country resisting communism |
| 38th Parallel of Korea | U.S. "line in the sand" re: Korea |
| Flexible Response | U.S. position re: escalation in Vietnam |
| Sputnik I | First satellite in space |
| National Aeronautic & Space Administration | 1958 |
| policy of "Peaceful Coexistence" | 1963 |
| October Crisis | Cuban Missile Crisis 1962 |
| Bay of Pigs | Cuba 1961 |
