Review the given essay and check for any grammatical errors?

The bolded text is the one that I'm really having trouble wording, and putting it together.

This is part of my first AP english essay.

This would be the characterization of Miss Watson and Widow Douglas, two elderly sisters who were Huck's guardians during the commencement of the novel. These characters are delineated as noble Christian women, who attempt to civilize and instill religion into Huck.

Twain's satirical representation indicates how they disingenuously practice Christianity and hold Christian values while inhumanly keeping slaves. "When you got to the table you couldn't go right to eating, but you had to wait for the widow to tuck down her head and grumble a little over the victuals  By and by they fetched the ******* in and had prayers".

In this case, Twain deploys religion to ignite his antislavery sentiment by justifying how slavery goes against the moral character of Christianity; and ironically, the widow and Miss Watson continue do a righteous act by bringing their slaves in for a prayer. As luck would have it, at the end of the novel, we find out that Miss Watson's good Christian virtue wins out. She had an astonishing change of heart about selling her slave Jim, and had him sent off to freedom, given what she had written in her will prior to her death.

Over the long haul, Miss Watson ends up feeling a great deal of remorse for the action she almost carried out. One can conclude that a person's conscience generally has a stronger moral foundation than the social mores handed down to an individual from society, or 'sivilization'.

To dramatize this, Twain hints that Miss Watson, the novel's proponent of societal norms, has also been experiencing an internal struggle against her conscience. Her decision to liberate Jim is a demonstration that her conscience finally won out in the end.