| A | B |
| French Indochina | French colony that included Vietnam, Laos, and Cambodia |
| Ho Chi Minh | Leader of North Vietnam |
| Domino Theory | Theory that if one nation became communist, so would surrounding nations |
| Ngo Dinh Diem | Leader of South Vietnam |
| Viet Cong | Communist rebel group in South Vietnam |
| Ho Chi Minh Trail | Network of supply paths between North and South Vietnam |
| Cuban Missile Crisis | Confrontation between US goverment and Soviets over missiles in Cuba |
| Gulf of Tonkin Resolution | Allowed the president to use military force in Vietnam |
| Escalation | Increasing military involvement in Vietnam |
| William Westmoreland | Commander of the U.S. forces in South Vietnam |
| Guerrilla Warfare | Surprise attacks by small bands of fighters |
| Napalm | Jellied gasoline used to burn land |
| Agent Orange | Weed killer used to destroy jungles and farmland |
| Tet offensive | Massive surprise attack by Viet Cong on Tet holiday |
| Doves | Americans who opposed the war |
| Hawks | Americans who supported the war |
| Richard Nixon | President who ended the war in Vietnam |
| Vietnamization | Policy of turning over much of the fighting to the Vietnamese |
| Cambodia | Country bordering Vietnam |
| Twenty-Sixth Amendment | Amendment that lowered the voting age from 21 to 18 |
| War Powers Act | Act that limited the president's war-making powers |