The Dred Scott v. Sandford case (1857) was the most important slavery-related decision in the United States Supreme Court’s history. The purpose was to balance the Congressional strength of the two factions by making sure an equal number of slave and free states were admitted to the Union.Click to see full answer. Likewise, what was the impact of Dred Scott v Sandford?The Dred Scott decision of March 6, 1857, brought to a head the tension surrounding the issue of slavery in the United States.In the case, the Supreme Court ruled that Scott was still a slave, and therefore, and no right to file suit in a United States court as he was not a citizen and did not have the rights of such.Also Know, what was the importance of the Dred Scott decision quizlet? Dred scott was still a slave because he was not a citizen being a slave and had no right to bring forth a lawsuit. He was property. Congress had no power to prohibit slavery. The 36 degrees 30 north latitude was unconstitutional and so was popular sovereignty. Regarding this, why was Dred Scott important to the Civil War? The decision also invalidated the Missouri Compromise of 1820, which had placed restrictions on slavery in certain U.S. territories. Northern abolitionists were outraged. The Dred Scott case became a rallying point for them and contributed to the election of Abraham Lincoln as president in 1860.What was the impact of Dred Scott v Sandford on North South relations and why?The Dred Scott Decision outraged abolitionists, who saw the Supreme Court’s ruling as a way to stop debate about slavery in the territories. The divide between North and South over slavery grew and culminated in the secession of southern states from the Union and the creation of the Confederate States of America.