Answer:
Fugitive Slave Act, is the right answer.
Explanation:
The Congress of the United States passed the Fugitive Slave Act on 18th September 1850. This act was part of the Compromise of 1850. The act made the return of the slaves mandatory to their masters even if they were residing in a free state. The Fugitive Slave Act implemented the Seizure and Return of runaway slaves who tried to escape from the states of their masters and reside in another state especially where slavery was prohibited.
