How did Scipio save Rome from being overrun by Hannibals forces?
Scipio attacked Carthage, causing Hannibal to return to Carthage and fight Scipio. Hannibal lost the battle, and eventually the war.
What was the purpose of Reconstuction after the Civil War?
To bring the Confederate States back into full membership and inclusion of the Union.
What were the writings of Rousseau, Locke, and Montesque concerned with?
Political reforms in Europe, more specifically in France. Some of these included the rights of citizens to choose the form of government.