Answer:
In the excerpt from President Kennedy's 1963 Civil Rights Address, he included the examples of President Lincoln's efforts to end slavery and social and economic oppression for a purpose in order A) to revise the definition of freedom.
Explanation:
President Kennedy's report to the American citizens took place on "June 11, 1963". This speech primarily focused on the Civil Rights of the people and also denoted a shift in the administration's policy for the support of the civil rights movement. The speech was broadcasted on TV and radios so that every citizen could listen to him.
In his address, Kennedy used the examples of President Abraham Lincoln's efforts to end slavery because he wanted to tell the people what freedom meant for those who are still struggling out there for their rights. Hence, alternative A is correct.