the compromise failed to pass because of the opposition by both pro-slavery southern Democrats, which was led by John C. Calhoun, and anti-slavery northern Whigs.
I think B is the appropriate answer among the others. Hope this helps :)
Lincoln was firm politically in proposing that slavery is morally wrong but he was not an abolitionist himself.
Explanation:
His views regarding the racial equality were always tending to be controversial and complicated. There had been a situation wherein Lincoln admitted that constitution mandated certain clauses for abolition but he did not know what exactly need to be done to abolish slavery from the current political system.
Lincoln seemed to be working with abolitionists but did not count himself to be totally responsible to abolish slavery. Only with the emancipation he could win over the black’s votes.
The answer is C. The Byzantines lasted a good bit longer.
Explanation: The Byzantine or Eastern Roman empire lasted until 1453. The empire collapsed due to the emperor Constantinople, while the Roman Empire fell around the date of 476.