Slums exist for people in poverty that are struggling to gain more money.
During the second major wave of immigration, from the late 1800s to early 1900s, immigrants to the United States came mostly from Asia and Eastern and Southern Europe. Most of the immigrants that came to the United States were poor people. I hope the answer helps you.
Originally horizonatal rock layers that are buckled upwards to form a hill are called anitclines.
