USA HISTORY

Detailed explanation-1: -The U.S. Supreme Court ruled in the Dred Scott decision that Congress had exceeded its authority in the Missouri Compromise because it had no power to forbid or abolish slavery in the territories west of Missouri and north of latitude 36°30′.

Detailed explanation-2: -Missouri’s Dred Scott Case, 1846-1857. In its 1857 decision that stunned the nation, the United States Supreme Court upheld slavery in United States territories, denied the legality of black citizenship in America, and declared the Missouri Compromise to be unconstitutional.

Detailed explanation-3: -In Dred Scott v. Sandford (argued 1856–decided 1857), the Supreme Court ruled that Americans of African descent, whether free or slave, were not American citizens and could not sue in federal court. The Court also ruled that Congress lacked power to ban slavery in the U.S. territories.

Detailed explanation-4: -In this ruling, the U.S. Supreme Court stated that enslaved people were not citizens of the United States and, therefore, could not expect any protection from the federal government or the courts. The opinion also stated that Congress had no authority to ban slavery from a Federal territory.

Detailed explanation-5: -In 1854, the Missouri Compromise was repealed by the Kansas-Nebraska Act. Three years later the Missouri Compromise was declared unconstitutional by the Supreme Court in the Dred Scott decision, which ruled that Congress did not have the authority to prohibit slavery in the territories.