For many years, the International Nickel Company of Canadathe International Nickel Company of Canada essentially operated as a monopoly. What made this company a monopolyLOADING?
A. the buyers of nickel productsnickel products had virtually no bargaining power.
B. NickelNickel, used to make nickel productsnickel products, has many close substitutes that can also be used to produce nickel productsnickel products.
C. the suppliers of nickelnickel, used to make nickel productsnickel products, had substantial bargaining power.
D. it had almost exclusive control of the world's supply of nickelnickel, used to make nickel productsnickel products.
E. the input market for nickelnickel, used to make nickel productsnickel products, was perfectly competitive.