Why Did the Rising Power of the United States in the Nineteenth

Why did the rising power of the United States in the nineteenth century NOT spark a war?

A) The other major powers knew that the United States was a peaceful country and believed it would stay that way.
B) The United States and the other major powers at the time faced a common threat in Germany.
C) Other major powers had nuclear weapons and could rely on deterrence to protect them from the United States.
D) The United States became the predominant power too quickly for other states to react.
E) The United States and Great Britain had no conflict with each other.