What did the Missouri Compromise of 1820 accomplish?

In an effort to preserve the balance of power in Congress between slave and free states, the Missouri Compromise was passed in 1820 admitting Missouri as a slave state and Maine as a free state.In 1854, the Missouri Compromise was repealed by the Kansas-Nebraska Act. hope this helps!

Explanation:

on february 25, 2004, at the time the president of united states of america george bush announced that he supports the constitutional amendment to ban the same-sex marriage. but the possibility was left that states can decide whether they allow civil unions.