Question

Which of the following industrial tycoons

gained a monopoly on oil?
A. Thomas Carlyle
B. J.P. Morgan
C. Andrew Carnegie
D. John Rockefeller

Answer 1

D. John D. Rockefeller

Step-by-step explanation:

"John D. Rockefeller made his immense riches from monopolizing America's oil industry." Conspiring with refinery owners, "he helped found what became known as the Standard Oil monopoly."