Missouri Compromise (1 h 21 m, 2 jan 1821 ano – 21 h 39 m, 7 set 1821 ano)
Descrição:
Missouri entered the U.S as a slave, Maine entered the U.S as a free state. This kept the balance between free and slave states. The Missouri Compromise stated that no slavery was allowed north of the 36/30 Latitude line.