In 1969, opponents of the Vietnam War believed that US involvement was chaotic. honorable. un-American. unjustified.

Answer;

-Unjustified

Explanation;

-In 1969, opponents of the Vietnam War believed that US involvement was un-justified. The movement against the involvement of the United States in the Vietnam War began in the U. S. with demonstrations in 1964 and grew in strength in later years.

the reasons behind the opposition included; the opposition to the draft; moral, legal, and pragmatic arguments against U. S. intervention; and reaction to the media portrayal of the devastation in Southeast Asia.

unjustified