Dr.King uses the elements ethos and pathos in his argument of the American dream by being perceived as credible by his audience and using the hope and determination involved with the American Dream to persuade the audience with these emotions (Hope this helps)
Dr. King used appeals to ethos, or ethics, to explain why Americans should come together as equals. He referred to the idea of democracy and the language of the Declaration of Independence to show that his ideas are just like the ideas the country was built on.
