Who is Karl Lindner, and what does his arrival reveal about the play's central conflict?

• A. He is the representative of the white Clybourne Park Improvement Association; his visit reveals systemic racism and pressure to abandon the dream.
• B. He is a real estate agent offering a good deal.
• C. He is Walter's old business mentor.
• D. He is Mama's brother visiting from out of town.

Answer: (A)