<span>In a market economy, the purpose of al firms is to serve their customers and to maximize sales</span>
Answer: The U.S constitution.
Explanation:provided Congress the power to establish post offices.
Answer:
He was born on July 9, 1730 in Princeton, New Jersey
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The gold mines of West Africa provided great wealth and power to West African Empires such as Ghana, Mali, & Songhai empire. The king of Ghana started trading back in the 8th century.