Answer:
Market economies utilize private ownership as the means of production and voluntary exchanges/contracts. In a command economy, government owns land, capital, and resources.
Explanation:
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Napoleon Bonaparte was the french leader, who possessed the the territory of louisiana, and agreed to sell it to the united states in 1803.
The Nile river had a big impact on trade because it served as a source of transportation. Communities formed along the Nile were more developed.
Salt from the desert was a reliable and profitable resource traded.
Savannas were used to grow crops and the excess from the crops were traded.