Which statement best describes the United States' changing role in the world during the twentieth century?
A/It changed from a great power into an isolationist nation, much like Japan.
B/It was vastly richer, larger, and more powerful than it had been one hundred years before.
C/Its losses during the War of 1812 substantially weakened its power for the next hundred years.
D/Its strict economic controls resulted in a widespread return to mercantilism.
E/It became a military superpower in the world but lacked a strong economy.