De Beers became a monopoly by:
A)establishing control over diamond mines.
B)economies of scale.
C)technological superiority.
D)ownership of a patent.

Question

Quizplus · Accepted Answer

De Beers became a monopoly by establishing control over diamond mines. By acquiring or controlling the majority of diamond mines, they were able to control the supply of diamonds in the market, which gave them significant market power and enabled them to dictate prices.

De Beers Became a Monopoly By