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.

Answers distribution

in the oil industry
by selling supplies to the army
by mining diamonds and gold
by building railroads
answers
flagCzech Republic
70%
11%
0%
17%
17
flagthe United Arab Emirates
64%
16%
12%
8%
25
flagItaly
62%
11%
11%
15%
45
flagSpain
60%
5%
5%
20%
35
flagCroatia
60%
13%
4%
21%
23
flagFrance
59%
9%
7%
19%
52
flagthe United States
57%
9%
8%
23%
506
flagCanada
56%
14%
4%
24%
41
flagDenmark
56%
16%
0%
28%
25
flagGermany
55%
14%
6%
22%
194
flagthe United Kingdom
54%
13%
12%
19%
424
flagNorway
52%
30%
4%
13%
23
flagUkraine
52%
5%
5%
36%
19
flagPoland
51%
14%
10%
22%
13657
flagUnknown
48%
10%
11%
29%
679
flagthe Netherlands
47%
18%
10%
23%
59
flagAustralia
46%
10%
3%
39%
28
flagSweden
43%
13%
4%
34%
23
flagRepublic of Ireland
40%
14%
6%
36%
61
flagIndia
34%
18%
20%
25%
102

Gender

men50%
women41%
in the oil industry
50%
41%
by selling supplies to the army
13%
16%
by mining diamonds and gold
9%
15%
by building railroads
27%
26%

Language versions

question
answers
results
flag
How did John Davidson Rockefeller get rich?
985
50%

Details

Author: globalquiz.org
tools
Should this question be improved? Improve it.
Globalquiz questions are translated by users for other users. Translate this question.