What did the Missouri Compromise determine? A. Which states would allow Indian reservations and which would not
B. Which states the Homestead Act would apply to
C. Which states the Transcontinental Railroad would travel through
D. Which states would be free and which states would have slaves​

D

Explanation:

"The Missouri Compromise is the title generally attached to the legislation passed by the 16th United States Congress on May 8, 1820. The measures provided for the admission of Maine as a free state along with Missouri as a slave state, thus maintaining the balance of power between North and South."

no one really purchased it themselves, it was all america, they had debates etc.

the correct answer is a