Answer:
Missouri (1821)
Arkansas (1836)
Florida (1845)
Texas (1845)
Explanation:
A slave state was a U.S. state in which the practice of slavery was legal. In 1776 slavery was legal in every colony, but during and after the Revolutionary War it became a divisive issue.
From 1812 to 1850 the slave and free states were admitted in pairs in order to maintain a balance between the votes in the Senate.
I hope this answer helps you.
