Respuesta :
I believe it was (C) John C. Calhoun.
It was Henry Clay who had drafted the Compromise of 1850 which had failed to pass due to the strong wave of opposition towards the compromise led by John C. Calhoun who was pro-slavery.
It was Henry Clay who had drafted the Compromise of 1850 which had failed to pass due to the strong wave of opposition towards the compromise led by John C. Calhoun who was pro-slavery.