Nixon's national security advisor, Henry Kissinger, begins talks with the North Vietnamese. Four students killed at Kent State in revolutionary mob confrontation with the National Guard. Tragedy becomes cause celebre for anti-war movement. The John Birch Society delivers its 2 millionth signature to Congress demanding a stop to aid and trade with Communist countries. By year-end, troop strength in South Vietnam is down to 140,000.
Film exposes the crippling rules of engagement under which our fighting forces have had to operate.
1972 Bombing of North Vietnam is intensified. Nixon authorizes the bombing of areas near Hanoi. On the heels of U.S. troop withdrawals, North Vietnam launches major spring offensive across DMZ temporarily capturing Quang Tri province. 1973 Cease-fire agreements are formally signed in Paris. Last American troops leave Vietnam on March 29.