This is a history of laws concerning immigration and naturalization in the United States.

This is especially true concerning social issues and immigration.

This country must have full and complete control over its borders concerning immigration.

It was a law concerning immigration, printed in elegant type on heavy paper and in four languages.

Incidents concerning illegal immigration are frequent on the border of the two countries.

Sylvia Allen is widely known across the internet for controversial remarks concerning illegal immigration, the earth and religion.

On many occasions he has claimed his position on what policies should be in place concerning immigration.

H 2202 - Enforcement of laws concerning unlawful immigration.

Decisions concerning borders and immigration must be made more effective if enlargement is going to be possible.

We know, for instance, that within the framework of the review the Spanish Government has put forward suggestions concerning asylum and immigration.