I think it's because homeless shelters can only take so many people. ANd it doesn't provide you with ALL the things you need. And, it's for only a period of time you can stay there. So many homeless people choose to stay on the street then go to homeless shelters.
The correct answer is The new cloak
The word assume in this context is used to show how how easily the leader of the animals jumped to conclusions and also how docile the animals who were under his control were. In chapter 3, they also assumed that pigs needed apples and milk to sustain themselves. Assuming things can't always be accurate. It's better to collect facts first before deciding things.
