Answer:
Option C, the closing of the western frontier, is the right answer.
Explanation:
An argument that claimed that American democracy was established by the American frontier came to be known as the Frontier Thesis. This argument was presented by historian Frederick Jackson Turner in the year 1893. He argued that the primary result of the American frontier was American democracy along with a lower interest in high culture, violence and egalitarianism.
B because the n they would have the most evidence
"The international courts tried the main leaders of the genocide" and "The traditional community courts returned many of the people who took part in the killings to their communities" seem like the only reasonable answers but I haven't taken this class in a while so my memory on this is a little foggy. I hope I helped.
In a open primary everybody is allowed to vote and in a closed primary on registered people are allowed to vote. Think of it as a Sale at a store. for a closed sale only members are allowed to get the discounts, but in a open sale you get all of the discounts, even if you are not a member.