B
Explanation:Many individuals were trapped in an endless cycle of indentured servitude in which they only made enough to make ends meet.
Andrew carnegie is really famous for creating a monopoly in steel industry in the united states during his era.
So, the type of business practice that andrew carnegie pioneered with carnegie steel corporation would be : controlling the entire market place for a single product in order to set prices
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The best answers for this question would be answers A. B. E. F. H.
Answer:
Different factors that lead to the great depression the stock market crash of 1929; the collapse of world trade due to the Smoot-Hawley Tariff; government policies; bank failures and panics; and the collapse of the money supply.
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