What period or era of literature does Huckleberry Finn by Mark Twain fall under?

Question: What period or era of literature does Huckleberry Finn by Mark Twain fall under!?
Best Answer - Chosen by Asker:

Realism
http://home!.comcast!.net/~bbedingfield/Ag!.!.!.
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well if you read a little bit of it, there are still
a)slaves
and
b) no electricity
so you can rule out victorian, if not go to cliffnotes or sparknotes!Www@QuestionHome@Com

Victorian Www@QuestionHome@Com