How did rice agriculture lead to prosperity and power for the Khmer Empire?

15 points to the "charlemagne" section, what were the two policies that charlemagne implemented when he took the throne? what was the result of the policies and how did it impact his warriors?

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.

He table below shows the number of immigrants to the united states from different regions of europe between 1871 and 1910