Which group of Americans opposed us participation in the war?

A significant group of Americans who opposed U.S. participation in wars, particularly during the Vietnam War, were the anti-war activists, which included students, civil rights advocates, and various peace organizations. Many held protests and demonstrations, arguing that the war was unjust, costly, and detrimental to both American society and the affected countries. Additionally, some religious groups and pacifists voiced their opposition, advocating for non-violent solutions to conflicts.