The most accurate and relevant response to the question regarding how King and Lincoln use the word "freedom" is:
Both King and Lincoln acknowledge that change is needed in order to bring freedom to every citizen.
Both figures highlight the ongoing struggles and the necessity for continued efforts to achieve true freedom and equality in the United States. Lincoln emphasizes the need for dedication to the cause of freedom and equality in the aftermath of the Civil War, while King articulates the necessity of action to address injustices and realize the promise of freedom for all, especially in the context of the civil rights movement.