To preserve the balance between slave states and free states
Answer:
D. Solved problems of the voters.
Explanation:
After an incumbent has finished a term as president or other position, they had to have done something for the people.
The people living in the colony of Jamestown had a very big problem with the swampy surroundings because the swamp was attracting lots of mosquitoes, and the mosquitoes were transporting diseases with them. Because there were lots of mosquitoes, people were getting stung by them on a daily basis and it happened very often that they would get some disease from them, and while some diseases did not caused big problems, some were fatal.
They didn't have relationships with forighners, america had to force them to open their ports