Question

During what period in history does The Adventures of Huckleberry Finn take place?

Answer 1

Just before the civil war. Your welcome 

Answer 2

The Adventures of Huckleberry Finn take place just before the Civil War.
The general era present in the novel is between the years of 1835 and 1845, and the Civil War in America began in 1861. So, the only correct answer here is C. If you've read the novel, the era will be obvious based on the events of the book.