The Fugitive Slave Act was a law passed by the United States Congress in 1850 as part of the Compromise of 1850. This law required that all escaped slaves, regardless of where they were living in the United States, had to be captured and returned to their owners. The act also imposed heavy penalties on anyone who aided or abetted escaped slaves, driving fear in the hearts of those who wanted to help fleeing slaves.

The Fugitive Slave Act was highly controversial and deeply resented by many in the North who opposed slavery. It led to increased tensions between the North and South and further fueled the abolitionist movement. Many free Black individuals were at risk of being captured and taken back into slavery under this law, leading to widespread fear and insecurity within the Black community.

Despite its intent to strengthen the institution of slavery, the Fugitive Slave Act ultimately played a role in galvanizing anti-slavery sentiment and contributing to the outbreak of the Civil War. The Act was eventually repealed in 1864 with the passage of the Thirteenth Amendment, which abolished slavery in the United States.