What law was created in order to keep a balance of power between slave and free states in the union

Missouri Compromise - In the years leading up to the Missouri Compromise of 1820, tensions began to rise between pro-slavery and anti-slavery factions within the U.S. Congress and across the country. They reached a boiling point after Missouri's 1819 request for admission to the Union as a slave state

Idoubt anyone will do the essay for you but i can tell you who to do it over  you could do it over teddy roosevelt there's plenty he has done   and its interesting to learn