Clay 's connections to the northern antislavery movement remained strong . He was a founder of the Republican Party in Kentucky and became a friend of Abraham Lincoln , supporting him for the presidency in 1860 . Clay was briefly a candidate for the vice presidency at the 1860 Republican National Convention , but lost the nomination to Hannibal Hamlin
1860 Republican National Convention
1860 Republican National Convention
Cassius Marcellus Clay (politician)