How was Carnegie able to purchase his chief competitor's steel business? A)He started a rumor that Duquesne Steel was inferior, and companies refused to buy their product. Carnegie then bought the company when it couldn't afford to pay its bills.
B)He made a wager with the owner of Duquesne steel, and Carnegie won.
C)He organized a labor strike at Duquesne's factory.
D)He threatened the owner of the mill.