s a 'WASP' which meant White, Anglo-Saxon and Protestant, those who weren't were seen as a threat of a Communist revolution, the result was a series of acts reducing the immigrants from350,000 a year between 1918-1921 to 150,000 a year from 1924 The tariff's on imported goods were raised dramatically adding 33% to the price of an import, this was good for those who sold their goods within the USA but was bad for Nations selling goods to the USA, American export suffered when other countries raised their own tariffs, the raised tariffs can be seen as another form of isolationism as it cut the USA of from the rest of the world.
USA were able to raise import tariffs because of the Abundance of natural wealth in the USA
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