Why Did the Monroe Doctrine Make Little Impression on European

Why did the Monroe Doctrine make little impression on European powers?

A) They were too occupied with losing their colonial power in the Americas to care about trade embargoes in the United States.
B) They didn't see the U.S. as a significant enough military power to feel threatened about their support of Latin American independence.
C) Europe, especially Britain, couldn't predict how powerful an influence the U.S. would have on independent markets in Latin America.
D) Communication was so poor that the European powers didn't receive news of the Monroe Doctrine until after they had given up Latin America.
E) Maps were so inaccurate that European powers didn't have a sense of how close the United States was to much of Latin America.