The Rumble represents what is perceived to be a necessary physical release for this group of young males. In addition, the gangs agree to not bring weapons, so the perception is that it is unlikely anyone would be killed. In essence, a physical thrill that releases Endorphin and reassures the victors of their masculinity with a need to "dominate" others physically.
Personification
The hemisphere is being assigned human-like characteristics. <span />
I think your essay is wonderful! You said your opinion in your first paragraph, then stated why in the next ones. Also the big if is pretty cool. Keep on writing essays and lapses will be corrected. Try to proofread and check the spelling so that it will be better.
The answer would be A, because of its use of commas, and pauses. Hope I helped.