Final answer:
Dr. Martin Luther King Jr. effectively used powerful rhetoric to argue the morality of the civil rights movement, such as the phrase "I AM A MAN" and his reference to the "Promised Land," resonating deeply with both the participants of the movement and the broader public.
Step-by-step explanation:
In his speeches and writings, Dr. Martin Luther King Jr. used language to effectively argue and reinforce the morality and rightness of the actions of the civil rights movement. King often emphasized the humanity and dignity of African Americans through powerful rhetoric.
For instance, the sanitation workers' signs reading "I AM A MAN" encapsulate the essence of the civil rights struggle, asserting basic human rights and equality.
Another example is from King's speech where he addresses the importance of nonviolence and unity despite the internal divisions and external threats: "I may not get there with you, but I want you to know tonight that we as a people will get to the Promised Land." This quote shows King's use of biblical imagery to resonate deeply with his audience, linking their struggle to a larger, divine narrative of liberation and justice.
The use of such compelling language by Dr. King not only fortified the resolve of participants in the movement but also communicated an irrefutable moral stance to the nation and the world at large, effectively arguing the claim that they were not wrong in their actions.