Why was there a wave of immigration from Northern Europe to the United States? How did this movement affect the number size
and spatial arrangements of cities?
Most Southern European immigrants were motivated by economic opportunity in the United States, while Eastern Europeans (primarily Jews) fled religious persecution.
Explanation:
this was a problum because it caused over population and overcrouding and closed a whole lot of job closeing and finacial overload money culd not keep up with the population
