What progressive exposed the abuses of the united states steel company in 1901

George Pullman started the Pullman strike by railway workers that led to nationwide unrest

answer: what was the us involvement in ww1? although the u.s. tried to remain neutral when ww1 broke out, it finally joined on april 6, 1917 after declaring war on germany. the reason for america to become involved in ww1 was germany's unrestricted submarine warfare, which had already sunk several american merchant ships.

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