Animal Farm Chapter 7 and 8

1. Why does Napoleon order that the hens eggs have to be sold? How do the hens react to this?
2. Why do animals that seem to be innocent admit that they have betrayed the farm?
3. Who does Boxer blame for the executions? What does he vow to do?
4. Why is Napoleon getting different names or titles?
5. Why did the scandal involving the wood take place? Who is really to blame for this?
6. Why was there another change to the commandments?