Congress redistributes or reapportion the seats in the House every decade using a census.
The wall separated East Berlin and West Berlin. It was built in order to prevent people from fleeing East Berlin. In many ways it was the perfect symbol of the "Iron Curtain" that separated the democratic western countries and the communist countries of Eastern Europe throughout the Cold War.
while the chernobyl and gulf war killed thousands the wall was still way worse.
The primary push factors for migration were segregation, increase in racism, the widespread violence and lack of social and economic opportunities in the South. In the
North, they could find better schools and adult men could vote (joined
by women after 1920). Burgeoning industries created job opportunities.
Some white Southern males were also migrating North in this period for
jobs, especially to Detroit and Chicago, because of better job
opportunities.
