| A | B |
| Ho Chi Minn | Communist leader in North Vietnam who started Vietnam War |
| Domino Theory | Foreign policy principle, if one country fell to communism, neighboring countries would fal |
| Vietminh | Resistance movement organized by Ho Chi Minn in 1941 |
| Vietcong | Vietnamnese Communists |
| Tonkin Gulf Resolution | 1964 gave the president authority to take all necessary measures to repel an armed attack against U.S. forces |
| Escalation | increase or buildup of military forces or weapons |
| Operation Rolling Thunder | U.S. bombing campaign against military targets in North Vietnam that began in 1965 |
| Ho Chi Minh Trial | Network of jngle paths used by the North Nietnamese to move weapons and supplies to the Vietcong in S. Vietnam |
| Search and Destroy Missions | military attacks that involve looking for and annihilating hidden enemy troops |
| Pacification | Military tactic used by U.S. troops during the Vietnam War that involved moving residents to refugee camps and burning their villages |
| Tet Offensive | 1968, N. Vietnam attack on S. Vietnam during their New Year |
| ARVN troops | helped fight in the Vietnam War |
| Vietnamization | President Nixon's plan to end the Vietnam war by withdrawing U. S. troops |
| January 27, 1973 | U.S. agreed to a cease fire |
| April 30, 1975 | Saigon Falls |