| A | B |
| Archipelago | a chain of islands such as Indonesia and the Philippines |
| Cold War | the state of diplomatic hostility between the U.S. and the Soviet Union in the decades following WWII |
| Communism | an economic system in which all means of production, lands, mines, factories, railroads and businesses, are owned by the people, private property doesn't exist and all goods and services are shared equally |
| Containment | U.S foreign policy adopted by Pres. Harry S. Truman to try and stop communism from spreading |
| Domino Theory | the idea that if one nation falls to communism it's neighboring nations will also become communists |
| Encomienda | Granted by the Spanish, the right to demand taxes or labor from the people living on the land in the Philippines. |
| Genocide | systematic killing of an entire group of people |
| Guerrilla Warfare | loosely organized hit and run surprise attacks that took place in the jungle and was practiced the Viet Cong |
| Gulf of Tonkin Resolution | Gave Lyndon B. Johnson the right to use any means necessary to aid South Vietnamese after 2 U.S. ships were attacked |
| Indochina | French colony consisting of Cambodia, Laos, Vietnam |
| Khmer Rouge | a group of communist rebels who seized power in Cambodia in 1975 and committed genocide among their people. |
| Monsoons | seasonal winds that shift in direction at certain times each year and affect the climate during the different seasons. |
| Viet Cong | a group of communist guerrillas who, with the help of North Vietnam, fought against South Vietnam in the Vietnam War |
| Viet Minh | Vietnam Independence League formed in 1941 with Nguyen Ai Quoc as its leader |
| Geneva Accords | resulted in Vietnam being divided at the 17th parallel, people were allowed to travel between the two for a short time, Cambodia and Laos gained independence, and ended the French rule of IndoChina |
| Ho Chi Minh Trail | a route used by North Vietnam troops to help the Viet Cong which went from North Vietnam through Laos and Cambodia to South Vietnam |
| Indochina | a colony set up by France which included Loas, Cambodia, and Vietnam |