I need help with two questions A.S.A.P, please!

Question 1: Why is Andrew Carnegie famous?

A.) He was a founding member of the New York Exchange.
B.) He was accused of creating monopoly in the oil industry.
C.) He was a financier who owned large banks in several major cities.
D.) He was a ruthless steel tycoon who donated millions to charitable organizations.

Question 2: Why is John D. Rockefeller famous?

A.) He turned his small company, Standard Oil, into a giant that monopolized the oil industry.
B.) He owned several large banks and on one occasion loaned the U.S government $62 million.
C.) He started as a low-paid iron worker in a mill and eventually became the founder of U.S Steel Corporation.
D.) He borrowed $50 to buy stock in the Union Pacific railroad and ended up owning the company.