Martin Luther King Jr. said that, "Injustice anywhere is a threat to justice everywhere.

Dr. Martin Luther King Jr. said that, "Injustice anywhere is a threat to justice everywhere." To live a good life and as a good person it is not only having the right morals but, it is also acting on them. Many would agree that discrimination of any sort is an injustice. To what extent do you have a responsibility to fight/reduce discrimination? Support your answer with one of the moral theories covered in the course. 

Your paper should be 2-3 pages in APA format.