Why was daniel webster willing to agree to a fugitive slave law

Henry Clay, U.S. senator from Kentucky, was determined to find a solution. In 1820 he had resolved a fiery debate over the spread of slavery with his Missouri Compromise. Now, thirty years later, the matter surfaced again within the walls of the Capitol. But this time the stakes were higher -- nothing less than keeping the Union together.

February 1848 is when it was added. if that's what you were asking

They had more africans americans than any other state