What political and national revolutions does the video connect to the philosophes and their encyclopedia?

What are economic systems and how do they differ?

Was the civil war inevitable? could anything have been done through compromise to stop it, or did it have to happen?

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