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 :)
"Mel Gibson has said anti-Semitic statements in the past. This has tarnished his reputation greatly."
Hartford Convention was a series of meetings from December 15, 1814 – January 5, 1815, in Hartford, Connecticut, United States, in which the New England Federalist Party met to discuss their grievances concerning the ongoing War of 1812 and the political problems arising from the federal government's increasing power.
hope this helps :)
