The pigs learned to read and write, which are common characteristics among humans. The fact that the pigs learned to read and write from digging in Mr. Jones's possessions suggests that the pigs will find other things that belonged to humans and learn to make use of those as well. And this will make their behavior more alike to humans.
I believe it is the first statement. (The poet has something to hide) The poet states that if someone knew they were nobodies, then they’d get banished.
