After 1820, slavery would not be allowed in new states depending on their
location.
population.
economy.
constitution.

Answer is A, location.

There was a huge difference between free, and enslaved states. In this case after the year 1820, it would be dependent on where the state was located if slavery was allowed.

Really hopes this helps you all. Have fun learning.

the war in the pacific

explanation:

answer; (a) he was a u.s senator for 38 years;