The Monroe Doctrine was issued in response to which of the following events?

ASouthern states seceded from the Union, and the Civil War took place.
BThe United States acquired Alaska from Russia.
CMexico and the United States fought the Mexican War.
DSeveral Latin American countries gained their independence.

Verified Answer :

The Monroe Doctrine was created because the
US wanted to play neutral on the on-going colonization all over the world.
During this time, the US had just gotten hold of Florida and Spain was losing
many colonies in the south.  The doctrine
stated that if the colonizers would attempt to retrieve their lands, the US
will consider this as an act of aggression and might start a war with its
aggressors.

Answer:

D: several Latin American countries gained their independece.

Explanation: