In the Scott v. Sandford case, Sandford’s argument was based on the Missouri Compromise. the Fugitive Slave Act. the Kansas-Nebraska Act. the Fifth Amendment.

the Fifth Amendment.

Explanation:

In the Scott v. Sandford case, that occurred in 1857, concerning the issue of Scott's freedom from slavery Sandford’s argument was based on the "FIFTH AMENDMENT."

This is because the fifth amendment says among other things that "... nor be deprived of life, liberty, or property, without due process of law;"

Therefore, in Scott vs Sandford's case, Sandford's argument was based on Fifth Amendment because any ban on slavery would be a violation of the Fifth Amendment, which forbade denying property rights without due process of law.

the us constitution is a living document, meaning that it can be changed over time as the country changes.

the answer is "focused on"

lol gave an answer 1 week that's the answer for those who need it in the future xd