The correct response is:
D) It included the Fugitive Slave Act, which further inflamed tensions between the North and South.
The Compromise of 1850 was significant because it attempted to address the divisions between free and slave states, but the inclusion of the Fugitive Slave Act, which mandated that escaped slaves be returned to their owners, angered many in the North and heightened sectional tensions, contributing to the events that led up to the Civil War.