A primary source of anything is a first hand account be it a diary, eye witness account, the person must have experienced it themselves while a secondary the information could have been passed on for example a news paper or memoir on someones life.
Missouri and Maine were the 2 new states.... Maine became a free state, and Missouri became a slave state.... the Compromise of 1820 is also known as the Missouri Compromise
Answer:
D. They believed that representatives were better able to vote on national
issues than ordinary citizens were.
Explanation: