Declaring that Congress lacked authority to prohibit slavery in federal territories, The Dred Scott decision meant that which previous Congressional action had been unconstitutional?

Question

Quizplus · Accepted Answer

The Dred Scott decision directly impacted the Missouri Compromise of 1820 by declaring it unconstitutional. This compromise had regulated slavery in the western territories, and the Supreme Court's ruling negated its restrictions on slavery's expansion.

Declaring That Congress Lacked Authority to Prohibit Slavery in Federal