That it wasnt fair and there should be peace then one day all thinks to martin luther king junior there was hope i helped :)
The case was about turning Native Americans into US citizens. Boarding schools were made where they would figuratively "kill the indian", that is they would make him denounce his cultural heritage, and they would "save the man", meaning they would turn him into a "civilized" US citizen.
The answer is B, primary elections.
The Greeks are widely credited with creating the democratic system that we have today in the United States.