Since the 1990s the immigration is coming mainly from abroad.

Farming was impeded and immigration and trade came to a halt.

And with illegal immigration have come problems.

He returned to Iowa ten months later as immigration nearly came to a halt during the Civil War.

Korean immigration to Hawaii came in two distinct waves in the 20th century.

I was there when immigration came around grabbing people.

As the immigration came from several European countries, there was not a single reason for the immigrants to leave their home countries.

Most immigration and movement from China came from that direction.

So they control immigration and illegals come flooding in anyway.

People would say immigration was coming to get me.