Which factor contributed to the changing attitudes of the american public about u. S. Involvement in the vietnam war?

Graphic coverage contributed to the changing attitued of the american public about U.S. involvement in the Vietnam War.

Explanation:

The intervention against the Vietcong communist party in Vietnam was firstly supported by the majority of Americans because it showed how unjust communist powers were. By taking the wealth to finance their movements of influence to spread communism over other territories while leaving the people down with their promises of wealth equality of distribution. But when the intervention started, they performed guerrilla movements that were very alarming and had a very bad impact against U.S. forces. Therefore many people started to suggest drastic counterattacks against them. Creating a phenomenon exploited by the media to concentrate their efforts on the capture of the worst images they could to influence the public to oppose it and start the fall of the president at the time.

the answer is use of support