What are the answers to 1,2, 3, 4, and 5? thank you!!

Consider the demand for an inferior a good illustrated in the graph below suppose income decreases what effect would this have on the graph

Ive been stuck on this question! which of the following statements about the economic consequences of the civil war is not accurate. a. inflation caused prices to rise by 80% in the north. b. because southern farms could not produce enough food for everyone in the south, the union navy allowed food shipments from britain. c. to pay for all of the food, supplies and armaments that were necessary for the union army, congress instituted an income tax. d. business bloomed in the north as factories and farms always had a market for the products.

Explain why the greeks might not have had a great influence on the world if they had better farmland?