i have a paper of 5 pages need to extend to 7

it is a paper explaining the movie “Crash” based on class reading , I wrote 4 and half pages, needs to extend it to 7 pages and check the grammar and punctuation

I need more explanation of what i wrote about the sociological concepts and why they explain the movie scenes

the social concepts I used Race, hegemony , Interactionist theory,colorbling racism feminsit theory.