Answer:
A change in demand means that the entire demand curve shifts either left or right. A change in quantity demanded refers to a movement along the demand curve, which is caused only by a chance in price. ... In this case, the demand curve doesn't move; rather, we move along the existing demand curve
Answer:
Direct power over citizens
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Answer:
What replaces steam? What new power source was developed in the late 1800s? In the late 1800s, a new power source—electricity—replaced steam as the dominant source of industrial power.