Explain why the United States experienced a new wave of immigration after World War II

mmigrants coming after 1945 were more apt to be refugees and to be of higher skills than before. ... From 1945 to 1965, most European immigrants were from northern and western European countries, but by the 1970s, southern and eastern European nations supplied the bulk of European immigrants to America.

Explanation:

the us hoped to prevent any nations from leaning towards soviet union-based communism. the containment policy was established in hopes of keeping communism from spreading to new places.

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