Prior to marine admission to the union as a free state, how many states were in the northern section of the country

Prior to Maine admission to the union as a free state, how many states were in the northern section of the country

11 States

Explanation:

In 1820 before Maine was admitted to the union as a free state, there were 22 states with half of them free states and half of them slave states. Also, both South and North having eleven states each.

Thus, on March 3, 1820, the votes that allowed the Maine into the Union as a free state was conducted in the House, and at the same time, Missouri was admitted as a slave state, and also made free soil all western territories north of Missouri’s southern border.

Hence, the correct answer is Eleven (11) states

i see, would you mind putting it as one?