Question

choose the best answer.
what supreme court decision ruled the missouri compromise unconstitutional?
the emancipation proclamation
cherokee nation v. missouri
dred scott v. sanford

Explanation:

• The Emancipation Proclamation was an executive order by President Lincoln freeing enslaved people in Confederate states, not a Supreme Court ruling.
• Cherokee Nation v. Missouri centered on Native American sovereignty, not the Missouri Compromise.
• Dred Scott v. Sanford (1857) was the Supreme Court decision that declared the Missouri Compromise unconstitutional, ruling Congress had no authority to prohibit slavery in federal territories.

Answer:

Dred Scott v. Sanford