John D. Rockefeller was the founder of the Standard Oil Company.
Oil.
Oil - he owned Rockefeller's standard oil company, making him the first US man to be worth $1bn.
Rockefeller was a founder of oil production, use, and sales.
To decrease competition
The Oil Industry
The oil industry
John D. Rockefeller was the founder of the Standard Oil Company.
The oil industry
The oil industry
J. D. Rockefeller was considered both a robber baron and a captain of industry.
He was a monopolist.
Oil.
He was a monopolist.
carnegie and Rockefeller became industry leaders because of there number of industries of sugar,whiskey,and cotton
John D Rockefeller made a monopoly in the oil industry.
Oil industry. Founder of Standard oil.