Short Answer 
Dr. Martin Luther King Jr. effectively connected with diverse audiences by referencing familiar American and biblical texts, establishing a sense of unity. He reinforced his arguments with these authoritative references to enhance their emotional impact and legitimize the civil rights movement, framing it as part of the broader American narrative of justice and freedom.
Step 1: Establish Common Ground
Dr. Martin Luther King Jr. strategically referenced renowned American and biblical texts to create a sense of familiarity and unity among his audiences. This approach helped him connect with individuals from various backgrounds, including different races and political beliefs. By invoking shared cultural and religious references, he made his message more relatable and accessible to everyone.
Step 2: Reinforce Arguments
King utilized these esteemed references to strengthen his arguments and enhance their emotional impact. By drawing on the authority of well-known American ideals and biblical principles, he added credibility to his claims about civil rights. This technique not only solidified his points but also resonated deeply with the audience’s moral and ethical views.
Step 3: Frame the Civil Rights Movement
By aligning the civil rights struggle with American history and universal moral principles, King legitimized the movement in the eyes of his listeners. He presented the fight for equality as a continuation of the American narrative, linking it to enduring themes of justice and freedom. This framing helped elevate the movement’s significance and appeal to a broader moral conscience.