Essay What makes King's "Letter from Birmingham Jail" powerful and effective? In your own words plz!

Though initially begun for a specific purpose, the letter that Dr. Martin Luther King Jr. wrote while incarcerated in Birmingham ultimately addressed universal questions of freedom and inequality. It is because of its ambitious reach that “Letter from Birmingham Jail” has remained such an enduring document, arguably one of the most important American works of theology or philosophy. His letter stirred the hearts and conscience of people from all faiths and nationalities. King forcefully addressed truths about life, respect, and human right for not just blacks, but for all people who faced injustice in the world

answer: b

explanation: i have never watched or read about him but looked it up and it seems the most sensible answer. sorry if it's wrong. ☺