It is A. I googled all of them and A is the only one that didn't have stories written about it.
He wrote it to argue that the characteristics associated with the American national character were indeed forged on the western frontier.
He also argues that it was the Western frontier and it was not the Eastern frontier. I hope this answer helps you out and that you have a great day!!! <3 :)
A is the correct answer.
One of the worries about a Federal government, especially after a Revolution against a King, was that the Executive would become a new King.