Country of Origin Quotes
This is the clause that many Palestinians point to as supporting their position that even thought most Arab refugees left Israel voluntarily, they had a right of return.
Ironically, where national quotas have been used in American immigration policy, it has rarely been used to keep nationals of countries with which we were having difficulty, out. In almost all cases, the national quotas have been used to discriminate against racial and religious minorities in America. Asians, Blacks, Hispanics, Catholics, Mormons and Jews have been the most frequent groups targeted. Even when we were in the midst of the Cold War, American policy was to accept immigrants from the Soviet Union and Cuba enthusiastically.