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
D. <span>Its people have rebelled against communism.</span>
Pretty sure it is C best choice
I believe that they used the Oregon Trail
