What was the Monroe Doctrine?

A.
a trade agreement between the United States and Mexico
B.
a military treaty between Spain and Mexico
C.
a pact between the United States and Mexico to ward off European invaders
D.
a document and policy aimed at preventing European involvement in the Americas

D. a document and policy aimed at preventing European involvement int he Americas

Explanation:

plato

the event that was most responsible for ending the great depression is world war 2.

one of the main reasons was definitely slavery. back in 1861, republican abraham lincoln was elected and ended up being a major influence in the slavery business. slavery greatly affected the texas economy because back in 1845 during the annexation of texas, slaves became a big part of the texas population. many texans that were in favor of the secession influenced groups through party ties.