What purpose does Moses the Raven's return to the farm serve?

The purpose is to help them get more food and they also need more help i hope i helped you as good as possible thx and if I'm wrong email me for-surely i will get back to thx and enjoy your right answer i loved this book and when i got the homework i couldn't find this answer so i went up here and it wasn't up here so i read that chapter over and over again hope this is right bye remember what i said if I'm wrong please email me thxx with a smile and a Cherry on top somebody anybody no body scream lo bye