Gulf of
Tonkin
Incident
US Troops
Arrive in
Vietnam

US Troops
Leave
Vietnam
Aug, 1964
March 1965
April 1970
March 1973
What event should be placed in the timeline?
A)South Vietnam Surrenders
Eliminate
B) French Fall at Dien Bien Phu
C) U. S. Begins Bombing of Cambodia
D) Communists Take Control of North Vietnam

The correct answer is "U.S. Begins Bombing of Cambodia". In April of 1970 President Richard Nixon authorized the strategy, despite legal opposition. He had hoped to disrupt the Vietcong supply distribution network, though a bigger result of the bombing was massive protests in the United States.

Explanation:

c

formulating the initial idea for the policy

answer is c.