| A | B |
| Causes of Vietnam War | 1. Colonialism 2. WWII 3. Cold War |
| Gulf of Tonkin Resolution | Congress handed all military power in Vietnam to the President |
| Domino Theory | The idea that if Vietnam fell to communism, so would the rest of Southeast Asia |
| Attrition | The US strategy in Vietnam of continuously increasing the war effort in order to find the point where the war is too expensive in terms of money or body count for the enemy to keep fighting |
| Ho Chi Minh Trail | NVA used this as a way of transporting troops and supplies from North Vietnam to South Vietnam by going through Laos and Cambodia |
| Guerilla Warfare | style of warfare where you do not fight in large numbers but spread out and hide making it harder and more deadly for your enemy to find you; "hide and seek" |
| NVA | North Vietnamese Army; one of the enemies the US fought in Vietnam; were more traditional in terms of wearing military uniforms and fighting style |
| Viet Cong | one of the enemies the US fought in Vietnam; used guerilla warfare to fight the US and wore regular clothing making them hard to find; "Charlie" |