| Term | Definition |
| Ho Chi Minh | A world wandereer and a man of many names. Means "He who enlightens", Wietnamese communist statesman who fought the Japanese in the World War 2 and the French until 1954 and South vietnam until 1975(1890-1969) |
| Ngo Dinh Deim | A former Government official under the French, South Vietnam non-Communist leader |
| Domino Theory | You have a row of dominoes set up. You knock over the first one, and what will happen to the last one is a certainly that it will go over very quickly |
| Vietcong | In 1960 the southern vietnam formed the National Liberation Front. Its main goal was to overthrow of Diems government |
| Tonkin Gulf Resoulution | Gave the president authority to take "all neccessary measures to repel any armed attack against the USA" |
| Ho Chih Minh Trail | Network of jungle paths. The north vietnamese used this to bring weapons and supples into south vietnam |
| Students for Democratic Society | Variety of civil rights, pacifist, religious, and students groups that shaped anti-war movement. SDS |
| Hawks | Supported the War |
| Doves | Did not support the war |
| Credibility Gap | Gap between the Johnson administration and the American public support |
| Dien Bien Phu | French military base fell after a 56-day siege |
| General Westmoreland | Commander of U.S. troops in Vietnman |
| Guerilla War | Savotaged people who fought and ran away |
| Henery Kissinger | Secretary of state during nixon presidency |
| Kent State | Shooting Incident in which National Guard shot and killed students protesting the war in ohio |
| Pentagon Papers | 7,000 page top secret US government report of history of the internal planning and policy making process within the government concerning the vietnam war |
| Tet Offensive | Suprise attacks on cities all over south vietnam |
| Agent Orange | Herbicide that is believed to contaminated many americans and vietnamese people |
| War Powers Act | Act that grants emergency executive powers to president to run war effort |
| Vietnamization | Policy of equipping and training of the South Vietnamese fight of themselves |
| Vietnamh | League for the independence of Vietnam: group of vietnamese nationalist organized in the 1940's by Ho Chi Minh to drive out of Vietnam |