If you want to get good grades to get a college scholarsip and make your parents proud I suggest studying hard and using Brainly often to get the best answers for your questions :)
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.
Answer:
I would say B. Buddhism
This is just my guess. I am not sure if this is correct.