Amonopoly is the control of a market by
question 4 options:
a few dominant firms.
a single producer.
the government.
a foreign trust.

A monopoly is the control of a market by a single producer

Explanation:

In economics, a monopoly whithin a specific market is characterized by having a single producer or seller, this producer faces no competition.

A monopoly doesn't work favorably for consumers, the firm which holds control of the market also has control of the prices and quality of the products, leaving the consumers with no other options.

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your answer is rising unemployment and inflation.