Which event in the Vietnam War horrified Americans and confirmed their belief that the war was unjust?(1 point)Responsesthe Tet Offensivethe Tet Offensivethe My Lai Massacrethe My Lai MassacreOperation Rolling ThunderOperation Rolling ThunderU.S. military build-upU.S. military build-up

1 answer

The event that horrified Americans and confirmed their belief that the Vietnam War was unjust was the My Lai Massacre. This incident, which occurred in 1968, involved the mass killing of unarmed South Vietnamese civilians by U.S. Army soldiers and was a significant factor in turning public opinion against the war.