B. maintained the nation's equal number of slave and free states.
Explanation:
Missouri Comprise of 1920 was a law passed by the Congress of the United States in which Maine was admitted as a frees state into the Union and Missouri as a slave state. The issue of slavery has divided the northern and the southern states and admission of a new state attracted both the abolitionist and pro-slavery sides to exert greater influence by increasing their domain. The comprise therefore was a meantime framework to avoid direct conflict but it not settled and exploded in the form of Civil war.
First Battle of Bull Run Battle of Shiloh Vicksburg Campaign Jackson Expedition Chattanooga Campaign Meridian Campaign Atlanta Campaign Savannah Campaign (March to the Sea) Carolinas Campaign <span>Battle of Bentonville</span>
