8 май 1820 г. - Missouri Compromise (Compromise of 1820)

Описание:

-1819-11 free states and 11 slave states
-1820-Missouri applies to enter the Union as a slave state
-Free states want to keep the balance in Senate
-Henry Clay develops the Missouri Compromise:
1.Missouri enters as a slave state
2.Maine enters as a free state
3.36 degree 30’(minute)-North of line is free, South of line is slave, only applies to the area of Louisiana Purchase