Question

What slavery law was established in 1857 by the Dred Scott Decision?

Answer 1

Slaves traveling in free states remain enslaved.

In 1857, the Supreme Court in the United States publishes a resolution in the Dred Scott trial, asserting the freedom of slave masters to carry their vassals into the Western provinces, thereby opposing the principle of democratic supremacy and critically threatening the principles of the recently organized Republican Party.

Answer 2

The answer you're looking for is A