Question

Why does Roosevelt include the quotations from Lincoln in the passage?

to demonstrate how he found the idea that he is explaining
to reveal that he has more information than the audience has
to offer details about how he plans to solve a problem in society
to show that his views are also those of someone the audience trusts

Answer 1

Answer: i believe the answer is: to offer details about how he plans to solve a problem in society

Explanation: here's the evidence of my answer.

He strove to bring about that union of kindliness and disinterestedness, with strength and courage upon which as a foundation our institutions must rest

meaning that he wants to solve people's problems thus answer C is correct

i hoped this helped