When people come to a one country from their other country.
That family Immigrated to America last year
When people leave a country to go to another country.
That family Emigrated from America to go back to China.
The reasons or factors why people leave a place.
A Push Factor of Japan is the radiation.
Reasons or factors why people come to a place.
A Pull Factor of America is that it is a free country.
When people from rural areas move to the city.
That family urbanized by moving to the city.