PLZ HELP WILL MARK BRAINLIEST!!!!!

Why did European nations respect the policy set forth in the Monroe Doctrine?

A) They respected the United States as an equal and feared its powerful navy.

B) They did not want to risk war with the combined forces of the United States and Britain.

C) Other European nations had no interest in settling lands in the Western Hemisphere.

D) The Spanish encouraged the other European nations to allow the Latin American nations to become independent.