THEISENTAMMYGO THEISENTAMMYGO History Answered Daniel Webster of Massachusetts was against slavery. Why did he agree to compromise on the issue? He was swayed by John C. Calhoun's sound arguments in favor of slavery. A He wanted to appeal to the proslavery majority of voters in Massachusetts. B He was willing to do almost anything to keep the United States together.C He wanted to run for president and needed southern support.D