This changed in 1943 ... which allowed some Chinese immigration and for some Chinese already residing in the country to become naturalised citizens, but which maintained the ban on property and business ownership. This came at a time when China was a US ally during World War II.
As millions of people became refugees during World War II, US President Franklin D Roosevelt argued that refugees posed a serious threat to the country's national security. Drawing on fears that Nazi spies could be hiding among them, the country limited the number of German Jews who could be admitted to 26,000 annually. And it is estimated that for most of the Hitler era, less than 25 percent of that quota was actually filled.
不過「無政府主義者」範圍還真廣，包含those with epilepsy, beggars and importers of prostitutes。
The [Act] of 1950 ... made it possible to deport any immigrants believed to be members of the Communist Party. Members of communist organisations, which were required to register, were also not allowed to become citizens.
Truman opposed the law, stating that it "would make a mockery of our Bill of Rights".
Sections of the act were ruled unconstitutional by the Supreme Court in 1993. But some parts of the act still stand.
每一次都會爭論這樣的做法是否違反美國的Bill of Rights，甚至違反美國憲法。
Dr Fiona Hu