Your answer is A, Conflict with Native Americans ended.
Louisiana purchase entailed negative consequences for most of the Louisiana population - blacks and Indians - and became one of the causes of acute social contradictions in modern America. In just 30 years, Americans ousted Indians from most of the Mississippi Valley, physically destroying or expelling them from their ancestral lands through fraudulent treaties
Well some people do that to intertain the watchers as well as teach them that way they can help younger people learn history so that they don't forget important events.
