Eliza R. Snow recalls hearing Joseph teaching the Constitution will hang by a single hair and the Elders of the Church will save it.
Eliza R. Snow as recorded in Journal History of the Church, July 24, 1871: 4
I heard the prophet say, ‘The time will come when the government of these United States will be so nearly overthrown through its corruption, that the Constitution will hang as it were by a single hair, and the Latter-day Saints—the Elders of Israel—will step forward to its rescue and save it.