What Was a Challenge for the United States During the War

What was a challenge for the United States during the War of 1812?

A) Before the war began, it did not have an army.
B) It had to fight both the British and the Spanish.
C) Most Americans in the South and West strongly opposed the war.
D) Without a national bank, the war was difficult to finance.
E) It had no allies among the Native American tribes.