Pro and con of bullying in school

What are the pro and con of bullying in school

I have writing my essay bullying in school as a explaining essay, now I need to turn it into a argument essay.  what is the pro and con of youth who bully, the targets of bullying and the children who experience both role of bullying.

I have send you my paper so you may reread it and use my reference source and change it to an argument essay?
In the argument you need to use the two sources, cite them using APA documentation format. At the end could you tell me on another sheet explaining  to me what the main claim is, what opposing view point you have included and what arguments you use to refute the opposing viewpoint and support your claim. Please let me know if you need and more information.