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
66%
16%
0%
16%
12
flagSpain
64%
7%
7%
14%
28
flagBelgium
64%
14%
7%
14%
14
flagCanada
58%
8%
4%
29%
24
flagLithuania
58%
8%
8%
16%
12
flagGermany
55%
17%
5%
20%
128
flagthe United States
54%
8%
8%
26%
409
flagItaly
53%
15%
15%
15%
26
flagNorway
50%
37%
6%
6%
16
flagDenmark
50%
18%
0%
31%
16
flagthe United Kingdom
48%
15%
14%
21%
264
flagFrance
48%
3%
13%
31%
29
flagPoland
47%
15%
12%
23%
8250
flagSweden
47%
11%
5%
35%
17
flagthe Netherlands
45%
20%
10%
25%
40
flagAustralia
45%
12%
4%
37%
24
flagUkraine
45%
9%
0%
45%
11
flagRepublic of Ireland
38%
16%
4%
38%
42
flagthe United Arab Emirates
38%
30%
15%
15%
13
flagIndia
34%
19%
20%
25%
94

Gender

men49%
women39%
in the oil industry
49%
39%
by selling supplies to the army
16%
17%
by mining diamonds and gold
8%
16%
by building railroads
25%
27%

Language versions

question
answers
results
flag
How did John Davidson Rockefeller get rich?
821
49%

Details

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