Answer:
C is the answer because the 10 Amendment limited the Federal government by the constitution.
The Arab Spring effect food prices because the price of oil sky rocketed. This made shipping and imports of food much more expensive. However, now that oil prices have fallen again the price of food has remained the same.
The cause of the French revolution is Frances sent agravted by French invovment in the American revolution led Louis xvi to implement new taxes to reduce privileges. the deregulation of the gain market advocated by liberal economist's resulted to an increase in bread prices in periods of time the good society which would lead to a masses resolt.