Answer:
It was easy to gain public support for WW II because of the Japanese attack on Pearl Harbor in 1941. Americans understand that if they are not willing
Explanation:
If I’m correct, they came mainly from: SOUTHERN AND EASTERN EUROPE
I think the answer is Walter Cronkite. He is an American broadcast journalist and is known as the most trusted man in America. He is known for being an anchorman for the CBS Evening News. He reported a lot of events which includes the Vietnam War. His commentary about the war made the Americans change their perception about the Vietnam War.