Final answer:
The passage of the 13th and 14th amendments nullified the Supreme Court's decision in Dred Scott v. Sanford.
Explanation:
The Supreme Court's decision in Dred Scott v. Sanford was nullified by the passage of the 13th and 14th amendments. The Dred Scott case, a key event in U.S. history, affirmed that African Americans could not become citizens and lacked the right to sue in federal court. The 13th Amendment abolished slavery, while the 14th Amendment granted citizenship and equal protection under the law to all individuals.
Learn more about Dred Scott v. Sanford here:
https://brainly.com/question/36897524
