He does not know what hi did when he killed the rabbits so when he kills Curley's wife he didn't know what he did so he was more likely to do it again. When George killed Lennie he prevented any other animal or person from being killed. Lennie killing the rabbit and not knowing what he did shows that he doesn't know right from wrong and he thought killing was "ok". Because he didn't know hat he did he killed again but this time it wasn't an animal it was a human which shows how he escalated his crime. If George had not "mercy killed" Lennie, he would have committed the same crime again. He does this because he doesn't know consequences for the things he does, which is a part of his mental
He does not know what hi did when he killed the rabbits so when he kills Curley's wife he didn't know what he did so he was more likely to do it again. When George killed Lennie he prevented any other animal or person from being killed. Lennie killing the rabbit and not knowing what he did shows that he doesn't know right from wrong and he thought killing was "ok". Because he didn't know hat he did he killed again but this time it wasn't an animal it was a human which shows how he escalated his crime. If George had not "mercy killed" Lennie, he would have committed the same crime again. He does this because he doesn't know consequences for the things he does, which is a part of his mental