When someone votes, they vote for a parliament to run the government and a leader. This is how a prime minister gets elected.
Hope I helped a bit!
It's mainly because of A and B, because after the war, the industrial resolution happened, and farmers are replaced by machines, farmers has no work to do, their speed is no compare to the machines, so they must move to another place. Also the population in Europe is growing in a extremely fast speed. Hope that helps :)
I think it's b. I think so.
A. Declare economic warfare against Great Britain.
