The correct answer here is A.
John Jacob Astor was born in 1763 to father who was a butcher so he was not very wealthy. He amassed his fortune by trading fur through that business he became one of the most wealthy people in the United States. Astor traded sandalwood, teas and of course fur with China which turned out very profitable for him.
If you list the options then I can help you but the answer is probably when Germany invaded Poland.
your answer is coyotes hope this helps