What supreme court case tested the Fugitive Slave Act?

In 1842, the U.S. Supreme Court in Prigg v. Penn- sylvania found the Fugitive Slave Law. however the enforcement law was the responsibility of the federal government held the court not the states.

a peace conference held after the surrender of japan

an international conference held near the end of world war ii

a meeting of the victorious nations after the defeat of germany

a summit meeting between the united states and the soviet union