One way in which immigration policy in the 1960s differed from immigration policy enacted in the 1920s was that legislation in the 1960s:
This refers to the rules and edicts which a government of a country makes as regards to people coming into the country and how long they are allowed to stay.
With this in mind, we can see that in the 1960s, the immigration policy was very much different from the ones done in the 1920s and the main difference was there was loosened restrictions on immigration on the basis of national origin
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