Martin Luther King was in birmingham because he was marching for not be judge by white people. King's purpose for writing the letter was to not get treated like human beings. To advance his purpose,king built his Ethos and appealed to people’s pathos and logos. Dr.Martin Luther King’s Purpose for writing the “letter from birmingham jail” was to show the world that people were not getting treated like human beings. He used appeals to Ethos to appeal to authority and credibility.king begins his argument with various appeals to Ethos.He making them feel he is trustworthy”My dear fellow clergymen”This is an appeal to Ethos because they can trust him because he is part of the church too.This advances his Purpose by more understanding because he is man of god.The second reason he offers is “Unwise and untimely”.This is an appeal to Ethos Because He is responding back and taking a time to respond.This Advances his purpose by show that he is respectful and reliable.The Third reason he offers is Ethos . Dr.Martin Luther king’s purpose for writing the”Letter from Birmingham jail” was to stop segregationist.He used appeals to Pathos to it cause an emotional response.king continues his argument with various appeals to pathos.”but when you have seen vicious mobs lynch your Mothers and father at will. When you have seen hate filled policemen curse,kick,brutalize, Euntown is closed to colored children,and see the depressing clouds of inferiority begin to form in her little”.These are three appeals to pathos because it makes the reader feel be trust.this advances his purpose by more understanding.this third example he offers is a prime savings holiday for clothing and so much more. Dr.Martin Luther king’s purpose for writing the”Letter from Birmingham jail” was to stop segregation. He used appeals to logos to logical response. King continues his argument with various appeals to logos. “but when you have seen vicious mobs lynch your Mothers and father at will. When you have seen hate filled policemen curse,kick,brutalize, Euntown is closed to colored children,and see the depressing clouds of inferiority begin to form in her little”. To show people who they really are. His goal was stop segregation. There have been more unsolved bombings of negro homes and churches in birmingham than any city in this nation. These are the hard,brutal and unbelievable facts. Their houses are been destroyed this wrong because they were black and people shout not be judged by white people.this is logos people being bombed and this is wrong. I proved that Martin luther king used the Ethos and logos and pathos and his writing king advanced his purpose to not get treated like human being.he did this by Ethos, pathos and logos. This is important because he used the purpose to not to get treated like human being.