Which of the Following Changes Best Represents the Effect of the Oil

Multiple Choice

Which of the following changes best represents the effect of the oil embargo (a shut-off of oil from certain OPEC countries) of the 1970s on the U.S.?

A) A leftward shift of the long-run aggregate supply curve
B) A rightward shift of the long-run aggregate supply curve
C) A leftward shift of the aggregate demand curve
D) A rightward shift of the aggregate demand curve
E) A rightward movement along a given aggregate demand curve