When asking about books, I suggest using shmoop.com because it gives short but descriptive chapter-by-chapter summaries.
Answer: The time period was from a time ago. At least before they had whiteboards and still when they had to use wooden ovens to keep warm instead of a heater. The chalkboards aren't used anymore and not many teachers refer to children as primary children.
Explanation:
They disagree about how mama use the insurance money she is about to receive. Beneatha tells Walter, “that money belongs to mama, walter, and it’s for her to decide how she wants to use it”. Walter believes Beneatha covets mama’s money for medical school, while Walter wants to buy a liquor store with the money. It’s also clear that Walter resents Beneatha.
The answer is true... think about it, if you can talk through a device, you are still communicating verbally.
