The theory behind the act was that the flow of illegal immigrants would slow as it became more difficult to find work.

No matter how much control you have, it doesn't appear to stop the flow of immigrants.

The flow of immigrants has changed the ethnic balance radically.

The nation has more Catholics now than ever before, some 65 million and growing, fed by a steady flow of immigrants.

It will not stop the flow of illegal immigrants across our borders with Mexico.

The agreement could actually increase the flow of illegal immigrants, at least temporarily.

The first flow of immigrants is considered to have settled in the area in 1447.

The current flow of legal immigrants is more than can be "comfortably absorbed," he said.

There are regions with particular needs, which often give rise to flows of illegal immigrants, for example.

A new access route, critics have said, would increase the flow of illegal immigrants.