Here are possible responses to the questions on Section 4:
1. Steinbeck presents Crooks as having a room of his own in the barn to highlight the racism and segregation that existed at the time. As an African American, Crooks is separated from the other ranch hands and not allowed to socialize with them. By giving him his own isolated living space in the barn, it shows how he is ostracized and treated as an outsider due to the color of his skin.
2. When George and Lennie visit Crooks, he is initially unfriendly and confrontational towards them. However, as they continue talking, he begins to open up and share his thoughts and dreams. Crooks enjoys the company