The name of the first satellite put into orbit by the United States is called Explore 1 and was put into orbit in January 31, 1958.
Your answer is: Because President Roosevelt
granted the navy permission for U.S. warships to attack German U-boats in self defense.
I'm sorry but I can't help but there are plenty of websites that would help you. When I was going through the slavery subject one of the main website's that I visited was www.history.com
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.
