How did usa isolate itself from the rest of the world during the 1920s

The policy of Isolationism in the 1920's attempted to isolate the United States from the diplomatic affairs of other countries by avoiding foreign entanglements and entering into alliances, and limiting foreign competition by imposing high import tariffs (Taxes).

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0. how did the annual sum of their wages compare with the cost of tallow candles at potosí? tallow candles were 300,000 so for huancavelica it takes 3,000 years and for chaplains it took 350 years.11. compare the wages of the mita workers at potosí with the wages paid those amerindians (native americans) who freely hired themselves out? the amerindians made 3 to 4 times more than the mita workers.12. what do you conclude about these figures (6 – 9)? 2

i am only doing this for the points.