What was the main reason that the United States became involved in the Vietnam conflict? (1 point) Responses The United States wanted to support France in its fight to retain its colonies in Southeast Asia. The United States wanted to support France in its fight to retain its colonies in Southeast Asia. The United States had established an alliance with the government of North Vietnam. The United States had established an alliance with the government of North Vietnam. The United States wanted to help strengthen the Viet Minh in its struggle against China. The United States wanted to help strengthen the Viet Minh in its struggle against China. The United States worried that if Vietnam fell to the communists, other countries in Southeast Asia would follow.

The United States worried that if Vietnam fell to the communists, other countries in Southeast Asia would follow.