Which explains why government regulation is necessary in a mixed-market economy? government regulation protects constitutional rights, safety, and fairness. government regulation protects property rights, safety, and profits. government regulation protects constitutional rights, profits, and fairness. government regulation protects property rights, safety, and business owners

Government regulation protects constitutional rights, safety, and fairness. Option A is correct.

A mixed economy:

protects private property

allows the free market and the laws of supply and demand to determine prices

allows the government to own key industries.

A mixed economy is  defined as an economic system mixing elements of market economies with elements of planned economies, free markets with state interventionism, or private enterprise with public enterprise.

A: Government regulation protects constitutional rights, safety, and fairness.