The movie Selma (2014) tells the story of how Dr. Martin Luther King, Jr. and others peacefully protested to advance voting rights. The violent opposition they encountered is a dark stain on American history, a blemish on the character of the nation. Why is it important for a country to acknowledge, remember and reflect upon all of its past, including the negative aspects? What makes films like Selma important and necessary? write an essay explaining your reasons. Give your essay a title.