What is the author's central idea in this text? a) the author is trying to determine why democracy has been more successful in american than in france. b) the author is reviewing the history of america in the hopes that he can find reasons to move to this country. c) the author is studying america for insights into how a democratic government works and how it might work elsewhere. d) the author is considering the reasons for the failed french revolution and wondering if the french should copy america.