Henry Clay, the "Great Compromiser," took center stage in Congress, introducing a package of bills designed to diffuse the tense atmosphere surrounding slavery and westward expansion. His Compromise of 1850 aimed to placate both pro-slavery and anti-slavery factions by admitting California as a free state, strengthening the Fugitive Slave Act, and prohibiting the slave trade in Washington D.C. This bold move sought to maintain the Union and prevent a looming civil war.