The Missouri compromise maintained the balance of power between northern and southern states in the united states by declaring Missouri as a slave state.
In the United States, slavery was divided between the northern and southern states.
In order to maintain the balance and resolve disputes between the northern and southern states, congress adopted a resolution called the Missouri Compromise in which the land of Louisiana was split into two halves: slavery states southward and non-slavery states northward.
In order to balance out things, Missouri was added to the south as an additional slave state while Maine was added to the north as a free state.
In general, Missouri's compromise equally divided the region between slave and non-slave states thus solving the regional conflict.
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