Missouri Compromise (1 ч 21 мин, 2 янв 1821 г. – 21 ч 39 мин, 7 сент 1821 г.)
Описание:
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.