Which incident caused the American antiwar movement to pick up steam in 1970?

Responses
A the My Lai massacrethe My Lai massacre
B the Bay of Pigs invasionthe Bay of Pigs invasion
C the Gulf of Tonkin resolutionthe Gulf of Tonkin resolution
D the US's bombing and invasion of Cambodia

1 answer

The incident that caused the American antiwar movement to pick up steam in 1970 was D. the US's bombing and invasion of Cambodia. This event led to widespread protests and increased opposition to the Vietnam War, particularly following the Kent State shooting in May 1970, where four students were killed by the National Guard during a protest.