Final answer:
The prison has become more dangerous and overcrowded since Isabel first visited Curzon. Isabel and Dibdin need each other's help and make an agreement to assist each other. Momma believed in the importance of using common sense in decision-making.
Step-by-step explanation:
1. How has the prison changed since Isabel first visited Curzon?
The prison has become more dangerous and overcrowded since Isabel first visited Curzon. When Isabel first arrived, the prisoners were mostly political dissidents, but now there are also common criminals. The prison is also now more heavily guarded, making it harder for Isabel to visit Curzon.
2. What do Isabel and Dibdin need from each other and what agreement do they make?
Isabel needs Dibdin's help in finding Curzon and communicating with him while he is in prison. In return, Dibdin asks Isabel to help him smuggle letters out of the prison. They agree to help each other and keep each other's secrets.
3. What did Momma believe about common sense?
Momma believed that common sense was a valuable tool and that it was important to use it in decision-making. She often reminded Isabel to use her common sense and trust her instincts to navigate difficult situations.