The US had banned non-white immigration from some parts of the world on the basis that they would not integrate into society; this Exclusion Clause, of the 1924 Immigration Act specifically targeted the Japanese.

However, as the settler population expanded to 7,000 and did not assimilate with Mexican culture, Mexico banned American immigration again in 1830.

A petition to the Reich Chancellor Otto von Bismarck called for administrative measures banning Jewish immigration, and restricting their access to positions in education and the judiciary ("Antisemitenpetition", German Wikipedia).

Five years later, Moreytown would explode into an orgy of violence, and Binder would be in the House as the congressman from the 12th district of Ohio with promises to ban moreau immigration altogether.

The clauses banning black immigration immediately came under criticism and was ruled unconstitutional in the Supreme Court case of Smith v. Moody in 1861.

If you ban immigration and they immigrate anyway, and back it up, then our work goes to waste even quicker.

The House followed the Senate today in voting to ban immigration into the United States by people infected with the virus that causes AIDS.

"Anyone in favour of banning immigration should sign a register and they will be banned from travelling abroad."

On the other hand, the government also banned further immigration in 1958.

Congress banned further Chinese immigration through the Chinese Exclusion Act in 1882; the act prohibited Chinese laborers from entering the United States, but some students and businessmen were allowed in on a temporary basis.