Missouri would be admitted to the union as a slave state & maine as a free state. Resulting from the Missouri Compromise was a division of territory west of that state being d â¦ ivided north & south between possible slave & free states.Also, to keep a balance of slave & free states in congress.he Missouri Compromise of 1820 admitted Missouri as a slave state,  and Maine as a free state, to keep the balance of slave/non-slave  states equal in Congress.