The major moral conflict throughout the story is Huck's struggle with having Jim, a runaway slave, as a traveling companion. Having grown up in a culture that saw slavery as acceptable, Huck felt guilty at first for not reporting Jim and returning Miss Watson's property to her.
I tried to make out to myself that I warn't to blame, because I didn't run Jim off from his rightful owner; but it warn't no use, conscience up and says, every time, "But you knowed he was running for his freedom, and you could a paddled ashore and told somebody.
In chapter 26, Huck has to figure out what to do regarding the plan of the "king" and the "duke" to steal the money left by Peter Wilks for his nieces. The more contact Huck has with the girls, the more guilty he feels, knowing what the frauds were planning to do.
I says to myself, this is a girl that I'm letting that old reptle rob her of her money!...And this is another one that I'm letting him rob her of her money!...this is another one that I'm letting rob her of her money.
Eventually, Huck works out a plan, and in the end, the girls are able to keep their inheritance.
By chapter 31, Huck has to face his changed feelings about Jim and slavery.
somehow I couldn't seem to strike no places to harden me against him, but only the other kind...I studied a minute, sort of holding my breath, and then says to myself: "All right, then, I'll go to hell"...And for a starter, I would go to wrok and steal Jim out of slavery