Help pleaseee Which of the following correctly describes the period in Islamic history immediately after Muhammad’s death?

Select one:

A. Islam was confined to Mecca and surrounding areas
B. A separate Sunni caliphate established the Abbasid capital in Baghdad
C. A single caliph ruled over a united Islamic population
D. The Islamic World was ruled by the Ottoman Empire

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 cannot process 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 arrangements that were necessary for the union army congress instituted an income tax. d. business boomed in the north as factories and farms always had a market for their products.