Question

One of the main reasons John D. Rockefeller was able to succeed in the oil industry was because he
A) encouraged competition.
B) treated his competitors fairly.
C) combined vertical and horizontal integration.
D) urged government regulation of the oil industry.

Answer 1

He combined vertical and horizontal integration. 

Answer 2

Answer:One of the main reasons John D. Rockefeller was able to succeed in the oil industry was because he

A) encouraged competition.

Eliminate

B) treated his competitors fairly.

C) combined vertical and horizontal integration.

D) urged government regulation of the oil industry.

Explanation:

c