Answer:
A. the refusal of southern states to ratify the Thirteenth Amendment
Explanation:
Towards the American Civil war that lasted between 1861 to 1865. There was constant tension between the federal government and the Southern colonies on the issue of slavery.
Hence, given that thirteen amendments were about slavery abolition and which was not ratified by the south.
Therefore, the fight for the balance of power which is influenced by the issue of slavery led to the federal government's decision to divide the South in this way.
The Monroe Doctrine is the best known U.S. policy toward the Western Hemisphere. Buried in a routine annual message delivered to Congress by President James Monroe in December 1823, the doctrine warns European nations that the United States would not tolerate further colonization or puppet monarchs.
Generally speaking, entertainment and education were two of the beneficiaries of the "<span>America Revolution", since this Revolution instilled a democratic and "free" system in which these two subjects could flourish. </span>