Many products and ideas were traded between Asia and European countries up to the 1400s through which of the following?
A. Globalization
B. The Mongol Empire
C. The Columbian Exchange
D. The Silk Road

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b. the american revolution

changes in factors like average income and preferences can cause an entire demand curve to shift right or left. this causes a higher or lower quantity to be demanded at a given price. demand curves relate the prices and quantities demanded assuming no other factors change. it is important for consumers to know this information, because it is crucial for them to know what they can afford and can't afford. i hope this .