What is the significance of Dred Scott v. Sandford?

My answer: Dred Scott v. Sandford is significant because it effectively ended the Missouri Compromise, hardening the political rivalry between the North and the South?

It had more significance than that.

http://en.wikipedia.org/wiki/Dred_Scott_v._Sandford

That's a good start, but let me explain a bit further. Dred Scott v. Sandford was a landmark decision by the United States Supreme Court in 1857. The case involved Dred Scott, an enslaved African American who had lived in free states and territories where slavery was prohibited under the Missouri Compromise. Scott sued for his freedom after his owner took him to live in a slave state.

The significance of the Dred Scott decision goes beyond ending the Missouri Compromise. The Supreme Court ruled that African Americans, whether free or enslaved, could not be considered United States citizens and therefore had no rights to bring lawsuits. The court also declared that Congress had no power to regulate slavery in the territories, effectively invalidating the Missouri Compromise and other similar laws.

This decision outraged many in the North, who saw it as a pro-slavery ruling. It intensified the sectional tensions between the North and the South, deepening the existing political and ideological divide. The Dred Scott decision contributed to the growing discontent over the issue of slavery, eventually leading to the Civil War.

To get a more comprehensive understanding and a well-rounded analysis of the Dred Scott decision, you can delve into historical sources such as books, scholarly articles, or online resources. Reading different perspectives will help you grasp a broader understanding of its significance and its impact on American history.