How did John Davidson Rockefeller get rich?
in the oil industry
by selling supplies to the army
by mining diamonds and gold
by building railroads
John Davison Rockefeller was the founder of the Standard Oil Company, which dominated the oil industry in the U.S. As kerosene and gasoline grew in importance, Rockefeller's wealth soared, and he became the world's richest man and first American worth more than a billion dollars.
reach: rather globalAmericansculturefamous peoplehistoryindustrymillionariesRockefellerwealth
Answers by country
in the oil industry
by selling supplies to the army
by mining diamonds and gold
by building railroads
answers
the Netherlands
24
Rwanda
10
Germany
124
Australia
41
Italy
26
Bulgaria
12
Republic of Ireland
26
Romania
14
Turkey
11
Unknown
17
the United Kingdom
209
Canada
45
Greece
12
the United States
466
Poland
15998
France
25
Spain
16
India
129
the Philippines
15
Austria
11