Please help

Which action was NOT part of the Missouri compromise?

1) Missouri admitted as a slave state

2) Arkansas admitted as a slave state

3) prohibition of future slave states north of the Arkansas-Missouri border

4) Maine admitted as a free state

prohibition of future slave states north of the Arkansas-Missouri border

which was not a part of the Missouri compromise.

Explanation:

prohibition of future slave states north of the Arkansas-Missouri border  which was not a part of the Missouri compromise.The children of slaves already in Missouri were to be freed at age twenty-five was the action which was not a part of the Missouri compromise.In an effort to preserve the balance of power in the Congress between the slaves and free states, the Missouri Compromise was passed in 1820 and admitting the Missouri as a slave state and Maine as a free state.Other compromises of the Missouri provisions are,California enters the Union as a free state. The Mexican lands will be divided into the two territories; New Mexico and Utah. Popular sovereignty will decide whether they will be the slave or set free.