What two states were admitted to the union as a part of the missouri compromise?

The two states that were admitted to the union as a part o the Missouri compromise were Maine and Missouri.

Explanation:

The Missouri compromise was a legislation of the United States at a Federal level that sought to bring balance to the force of its structure. It assigned one to the north and one to the south. According to its legislation slavery was prohibited from 36° 30' parallel, so it lets add Maine as a free state while Missouri was added as a slave state. The legislation passed on March 3, 1820, and former president Monroe signed it 3 days later.

alaska is the answer to this

explanation:

the addition to geographic boundaries that might have  kept the people of the huang river civilization from traveling to far distance region is that they had learned about the other river valley civilizations but feared contact would bring invasion.

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