Introduction
Since the beginning, humans have been moving from one region of the world to another for better survival. If a person or a group of people face hardships like severe climate, low employment rate, political instability, underdevelopment, etc then they try to move to a city or country that is free from such problems. If they move to a new city or country permanently then this is called Immigration. If they move to a new city or country temporarily then this is called Migration. A developed country is combination of diverse cultures, races and ethnic backgrounds because in its past a lot of people ...
