What are some examples of rhetoric used by civil activists during the civil rights movement which motivated change? Jack Greenburg's "Letter from Birmingham Jail" and "I Have a Dream Speech" Martin Luther King Jr.'s "Letter from Birmingham Jail" and "I Have a Dream Speech" Jack Greenburg's Civil Rights For All" and "Protesting for Civil Rights" Martin Luther King Jr.'s Civil Rights For All" and "Protesting for Civil Rights"