What are refutations and why are they necessary in an argumentative essay?

Read this excerpt from lorraine hansberry's a raisin in the sun: based on the character description, what can the reader infer about travis? a. he is organized and has an established morning routine. b. he has inherited his good looks from his mother, not his father. c. he doesn't like having to share a bathroom with other families. d. he is a little boy of about 10 or 11.

According to the author, where can we find the answer to our nation’s “most pressing problem”? does that seem logical?

What is the reasoning in this argument?