Answer:The causes of the French Revolution were many: the monarchy's severe debt problems, high taxes, poor harvests, and the influence of new political ideas and the American Revolution.
Explanation: to mention only a few about the American revolution
America's response to 9/11 abroad wasn't effective because it led to the invasion of a country (Iraq) that had absolutely nothing to do with it. The American public was deceived into thinking that the invasion was necessary to keep Americans safe.
No, because a PBS documemtary could not have witnessed something and retold it. It most likely is a secondary source, if they interviewed people who have witnessed the thing they are talking about.