Owed his victory to the former slaves
The final option. Unbiased would be a fault, it's opinionated. It isn't meant to convince anyone and it isn't an election based on religion.
Pearl Harbor. The atomic bombs that we dropped on Japan was revenge for Pearl Harbor. We already had some issues with Japan but the surprise attack on Pearl Harbor was the main reason for the atomic bombs that President Truman dropped on Japan.
D) All of the above
hope this helps