10 magg 1952 anni - McCaren-Walter Act-1952
allowed the government to deport immigrants or naturalized citizens engaged in subversive activities
retained the system of national origin quotas (N and W Europe 85% of all immigrants)
added a system of preferences based largely on occupation
up to 50% of visas for each country to be filled by highly skilled persons and those with services urgently needed
relatives were ranked next, followed by people with no salable skills and no relatives
severely restrictive even for countrie
