Manifest Destiny is the belief that America was willed to occupy from the Atlantic coast to the Pacific coast, so the answer is A.
So the answer to this question is B
This is a false statement. A wolfpack was a name given to a naval tactic where the involved vessels, which would be designated to be in the wolfpack, had designated roles they had to play.
Newspapers. I'm not sure of the name of the Chicago newspaper at the time.