In what was did the Kingdoms of Benin and Mali differ?

How was classical persia's extensive network of roads important to its civilization?

What pact signed on 1949 reinforce that the united states would not return to an isolationist policy

Which course of action did president carter propose in order to solve this problem for the next generation? a. contract with foreign nations to build wind turbines b. reduce federal spending on solar cell energy research c. drill fewer offshore wells to conserve marine life d. develop alternative energy sources