An enslaved person could not become free by traveling to a free state or territory was not a ruling of Scott v. Sanford.
Option: A
Step-by-step explanation:
In 1868, the Fourteenth amendment protest the present decision and made a new decision over the Dred Scott decision by providing citizenship to all those who born in America regardless of racial and ethnic and colour variation.
It was a very important decision in the the then United States court about slavery system. When Emerson died in 1846 Scott referred master's widow for the rest of the movement as they lived freely in the territory. This decision was challenged by Missouri's Supreme Court. Court said Scott is still a slave so he has no right to take any decision.