Target:  I can compare and contrast the Missouri Compromise and the Compromise of 1850 by analyzing maps and a primary source document. Key Vocabulary Sectionalism:  Loyalty to one's own region (the "North" or the "South") rather than to the country as a whole. Compromise:  An agreement where both sides give up something to settle a major dispute. Missouri Compromise (1820):  An agreement that (1) admitted Missouri as a slave state, (2) admitted Maine as a free state, and (3)