1. How was Vietnam divided at the Geneva Conference of 1954 and why was the planned reunification election never held?

2. What were the sources of support for Ho Chi Minh's North Vietnam and Ngo Dinh Diem's South Vietnam?

1. What was SEATO and what nations joined this regional defense pact in 1954?

1. How did Kennedy increase U.S. involvement in Vietnam and what was the role of military advisers?

2. Why did Kennedy become concerned about South Vietnam's ability to win the war, and what happened to Ngo Dinh Diem?

1. What was the Tonkin Gulf incident and how did President Johnson use it to gain congressional authorization for war?

2. Why did critics call the full-scale U.S. involvement in Vietnam an illegal war?

1. What was Operation Rolling Thunder and how did U.S. troop levels change between 1965 and 1967?

2. What were search-and-destroy tactics and what effect did they have on the Vietnamese peasants?

1. What was the credibility gap and how did it develop between government leaders and the American public?

1. How did hawks and doves differ in their interpretation of the Vietnam War?

2. What groups opposed the war and why did college students become particularly active in the antiwar movement?

1. What was the Tet Offensive and why was it a military failure but a political victory for North Vietnam?

2. How did the Tet Offensive affect American public opinion and the 1968 presidential race?

1. What decision did President Johnson announce on March 31, 1968, and what prompted this change in policy?

2. What happened to the peace talks that began in Paris in May 1968?

1. How did Robert Kennedy's entry into the 1968 presidential race differ from Eugene McCarthy's antiwar campaign?

2. What happened to Robert Kennedy during the 1968 campaign and how did this affect the Democratic race?

1. What was the significance of the violence at the 1968 Democratic Convention in Chicago?

1. How did George Wallace appeal to white voters and what was his strategy in the 1968 election?

1. How did Richard Nixon's political position change between 1962 and 1968?

2. What were Nixon's main campaign themes and how did he position himself on the Vietnam War?

1. What was the significance of the combined popular vote totals for Nixon and Wallace in the 1968 election?

2. What did the 1968 election results suggest about American voters' attitudes toward the 1960s and federal liberalism?

1. What was Vietnamization and how did it change the number of U.S. troops in Vietnam?

2. What was the Nixon Doctrine and how did it extend the concept of Vietnamization to other Asian nations?

1. How did the invasion of Cambodia in 1970 affect antiwar protests and what tragic events resulted?

2. What were the Pentagon Papers and how did their publication fuel opposition to the war?

1. What role did Henry Kissinger play in the peace negotiations with North Vietnam?

2. Why did Nixon order massive bombing of North Vietnam in late 1972 and what resulted from the Paris Accords?

3. What were the human and economic costs of the Vietnam War to the United States?

1. What prompted Congress to pass the War Powers Act and what did this law require of the president?

1. What happened in April 1975 and what was the significance of the fall of Saigon?

1. What was the Khmer Rouge and what atrocities did they commit in Cambodia?

1. Did the domino theory prove accurate after the fall of South Vietnam and Cambodia?

2. What argument did some make about the value of U.S. support for South Vietnam despite its ultimate defeat?