One reason the decision in Dred Scott v. Sanford (1857) was so controversial is that it

A. strengthened the idea of popular sovereignty

B. gave enslaved persons full citizenship

C. ruled that Congress had no power to limit slavery in the territories

D. supported Harriet Beecher Stowe's point of view in Uncle Tom's Cabin

C. ruled that Congress had no power to limit slavery in the territories

Explanation:

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.

i think you may have asked this twice, but i answered one of the

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