What is a quote about the Missouri Compromise from the Southerners and the Northerners pov?

In U.S. history measure worked out between the North and the South and passed by the U.S. Congress that allowed for admission of Missouri as the 24th state (1821).  "It marked the beginning of the prolonged sectional conflict over the extension of slavery that led to the American Civil War." is the pov of the north and south

Explanation:

answer; obey the closest relative's wishes;

answer; the residents of american samoa elect a nonvoting delegate to congress;