1. What is Urbanization?

Urbanization is the population in urban areas/cities increases.

2. For what reasons did a number of Americans move from the country to the cities?

There were more job opportunities and immigration was bringing more and more people with very little money who could not afford to buy a farm or anything more than a small apartment.

3. What were the housing problems that many poor city dwellers faced?

Well many of the immigrant were ever very poor and couldn't afford large houses so they were very crowded.

Also there was a lot of discrimination and violence because of so many different ethnic groups so close together and competing.