Huck Finn-lessons-examination test?

So for our English exam had an essay and one of the topics that could be in is: Discuss the three most important lessons that Huck is about learning throughout history. These lessons can refer to moral issues, social issues, issues Survivability whatever. In his section of the body, be sure to include a lot of good / examples that illustrate / demonstrate what they know Huck, in fact, realizes what he does. In its conclusion, be sure to address how today's students can still learn lessons from this rich novel. Any ideas? None at all would be helpful, thanks!

Look at the morality of Huck from the beginning and after the final.

Chinese lessons for English speakers – How are you?