That they can make their own laws to govern the people. The federal government (mostly) does not interfere. This is why people can vote for things i.e. the legalization of marijuana.
Hope this helps! Brainliest is always appreciated!
For the answer to the question above.
The best answer I can give is letter B.
During the civil war, there was also a competition in the global market on the supply of cotton so Europe sought other suppliers from India and Egypt and this is why the price is down after 1865
