The study of human cultures and societies and their development is known as:

idk but found this on google

"the kansas-nebraska act allowed each territory to decide the issue of slavery on the basis of popular sovereignty. kansas with slavery would violate the missouri compromise, which had kept the union from falling apart for the last thirty-four years. the missouri compromise had prevented this from happening since 1820."

what is the other part to the question

answer; environmental science;

answer; ha,ha,ha, corn on the cop;