Firstly, the debate was always about non-European immigration; as such there was always a race dimension.

At this time, the White Australia Policy discouraged non-European immigration.

This policy shift benefited primarily non-European immigration and had a profound impact on the U.S. demographics in the following decades.

The party's opposition to non-European immigration did not change until after the retirement of Arthur Calwell as leader in 1967.

There he gave a speech from "Turkish Onslaught to Europe to Communist Disaster, "which was critical of non-European immigration.

Parties such as the BNP have declared policies that include a halt to all non-European immigration, as well as repatriation policies.

In the 1970s large-scale non-European immigration to Canada began.

The French approach to integration is one of three basic models in Europe, which has faced large-scale non-European immigration only in the postwar era.

The article establishes a difference between European immigration (which should be encouraged) and non-European immigration.

The discrimination between European and non-European immigration established by Article 25 of the Constitution has survived all subsequent constitutional reforms (1860, 1868, 1898, 1949, 1957, 1972 and 1994).