Migration has resulted form push and pull factors. There are various kinds of factors that cause people to come to the United States. Religious, poverty, economic and political, social are the examples of push and pull factors. Between 1860 and 1920 million of people came to United States which increase in population growth. Binder in the other hand mainly focus on culture and ethnic groups of the people.
Because of crowding of people the housing became one of the main problem for immigrant. ” That the dummbbell design was an example of housing reform.” This reform was made to avoid the over crowded housing problem and to improve in health problem that immigrant were facing.