The correct answer is letter D. he explains the need for healing the nation. President Lincoln signaled the end of his speech in this passage by saying this line "to do all which may achieve and cherish a just and lasting peace among ourselves and with all nations." That summarizes what he is aiming for.
Answer: (D) he explains the need for healing the nation
Explanation: He says “let us strive on to finish the work we are on, to bind up the nations wounds.” He explains that it’s time to do the work to heal the nation.
