Here is a list of prompts that you could use for this assignment. Choose one that applies to you or someone in your community. :)
1. Inequality in public schools- inadequate conditions in you public school system compared to those in other areas
2. racism- discrimination because of one's race/ethnicity
3. sexism -discrimination because of one's gender
4. Police brutality- unlawful treatment of citizens by law enforcement
5. Animal cruelty-abuse of pets and other animals
Be sure to provide a strong thesis sentence and 2-4 supporting ideas. You may also want to visit the library, research current news articles, or ask a parent/ trusted adult in you neighborhood explain some of injustices in your area.