Around this time, heavy immigration started to occur from Germany.

The rapid growth in the immigrant population, particularly in places that have no experience with heavy immigration, has produced a national law enforcement challenge.

A century ago heavy immigration brought millions of southern and eastern Europeans to the United States.

The church population has increased at times of heavy Dutch immigration.

The service sector remains alive and well even in those parts of the country that have not been penetrated by heavy immigration.

Most black Americans, the panel finds, have escaped much harm because they do not generally live in pockets of heavy immigration.

The Jewish community on the Main sprang up after the heavy immigration of the early to mid-1900s.

In 1945 the team languished due to heavy immigration and the civil war that caused many players to leave their homeland.

The discovery of goldfields in 1851 led to heavy immigration.

In other cities, too, that have seen heavy Asian immigration, the health care system is adapting.