public opinion swayed towards distrust of the U.S. government during the Vietnam War was due to the dishonesty of the government and brutally killing of innocent people by american soldiers in the village of My Lai.
Explanation:
The Pentagon papers revealed that the government decided to increase the duration of Vietnam war without the consent of congress. The people of america wanted to end the war because they lost thousands of civilians without achieving their goals but the bombing of Cambodia expand the fight with neighboring countries of Vietnam. These events made the opinion of the american people against the government.