How did Andrew Carnegie contribute to the society of the United States?
A. By trying to lessen the negative effects of urbanization by supporting nativist immigration policies to reducing overcrowding
B. By trying to spread the benefits of capitalism to the public by promoting the Gospel of Wealth during the Gilded Age
C. By trying to lessen the negative effects of urbanization by promoting the Social Gospel and founding settlement houses
D. By trying to spread the benefits of capitalism to the public by improving the efficiency of production and reducing prices