How did the Dred Scott Decision divide the country

In 1846, Dred Scott, a slave living in St. Louis, sued in a Missouri court for his and his family’s freedom

Explanation:

Eleven years later, the case reached the highest federal court in Dred Scott v. Sandford, where the U.S. Supreme Court rejected Scott’s claim to freedom by a vote of 7-2. While the verdict had a personal impact on Scott and his family, it also had legal, political, social, and economic ramifications that reverberated throughout the country in the years immediately preceding the Civil War.

answer: sorry but maybe take a pic of the map so nobody's confused

explanation: