Answer:
C. by protecting the citizens' right to buy and sell property
Step-by-step explanation:
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In a market economy, all economic decisions depend on market demand. The level of market demand also determines price. The Founding Fathers (a revolutionary group of prominent US professionals) ensured that the US Constitution guaranteed citizens the right to own and protect property, including intellectual property. These rights led to the market economy. A market economy directly indicates what goods and services to produce. It also determines at what quantities and prices they should sell. This model ensures efficient utilization of resources.