Who challenged the united states to contain communism in world war 2

You mean the Cold War? Containing communism wasn't a priomary goal of World War 2.

is this question from a book? ?

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