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 :)
Answer:
yes of course we can add you
It is often referred to as the Gita, is a 700-verse Sanskrit scripture that is part of the Hindu epic Mahabharata
