The antislavery warrior John Brown, who in 1859 raided Harpers Ferry, Virginia, in a heroic, doomed effort to liberate slaves, correctly predicted that slavery would fall only after "very much bloodshed." ... Stowe hailed Brown as "the man who has done more than any man yet for the honor of the American name."
"If the ruling dynasty was wealthy, it would keep the Mandate of Heaven" is the best answer from the list, but it should be noted this was not always the case.