Which act established ideology as the main criteria for admission into the United States?

The act that established ideology as the main criteria for admission into the United States was the McCarran-Walter Act of 1952.

Explanation:

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the earthquake in haiti was a magnitude of 7.0 according to the u.s geological survey yet the smaller earthquake in haiti killed more than 200,000 and left more than 1.2 million people homeless. the chile earthquake was a magnitude of 8.8 and 500 times more stronger but chile's earthquake only injured 712 people.