Answer:
The killings of Vietnamese civilians by American soldier
Step-by-step explanation:
The event that occurred in My Lai is termed the Massacre of My Lai. My Lai was a village in southern Vietnam on March 16 1968.
The Massacre of My Lai occurred during the Vietnamese war in which the group of American soldiers brutally murdered civilians which were not armed or not able to defend their selves, these civilians where mainly women children and older men. the massacre brought about an uproar from the civilian population on the withdrawal of America from the Vietnam war.
The US congress denounced 3 servicemen who made efforts to save the massacred civilian thereby preventing more civilian casualty