Define the purpose of the monroe doctrine?

Monroe doctrine is the United states foreign policy which possessed a conflicting opinion regarding European colonialism.

Explanation:

Monroe Doctrine aimed at the prevention of the annexation of the Caribbean region, which US thought would be a military threat. It also stated that if European countries intend to take control of any state in America, it would be considered as an act of unfriendly disposition towards United States and also be considered as an act of aggression.  

The main purpose of the Monroe doctrine was to end up all the ties with England and other European countries. Later, this doctrine was considered to be evidence which proclaimed American supremacy and dominance over the western hemisphere.  

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"the land of the dead"

when world war i broke out across europe in 1914, president woodrow wilson proclaimed the united states would remain neutral, and many americans supported this policy of nonintervention. however, public opinion about neutrality started to change after the sinking of the british ocean liner lusitania by a german u-boat in 1915; almost 2,000 people perished, including 128 americans. along with news of the zimmerman telegram threatening an alliance between germany and mexico, wilson asked congress for a declaration of war against germany. the u.s. officially entered the conflict on april 6, 1917.