The answer to your question is ! ands 2
Many people who immigrated to the United States during the Gilded Age moved to the coasts of the United States. It really depended on where you were from, so if you were of European origin, you most likely migrated to the eastern coast, but if you were of Chinese origin, you most likely migrated to the western coasts. It was just based on what was the closest shore by boat.
You mean what is hat with an X?
In The Communist Manifesto, Karl Marx hypothesized that capitalism would fail if workers revolted and took over the economic system. They would then change this to socialism, and then it would become communism. This was due to excessive tensions between socio-economic classes and with the working class ultimately taking over, as Marx did not believe capitalism would be able to work within the bounds of society.