What was an argument of ""doves"" against the Vietnam War?

Dove during the Vietnam war was the group of people in America who followed different policies when it came to foreign policies.

Explanation:

The dove was a group of people who promoted a symbol of peace. The Doves, during the Vietnam War, did not desire any conflict as they considered it to be the internal matter of Vietnam. According to them, the US had no right to be required in the war and needed to spend money in the domestic affairs of America.