The author talks about Lennie dragging his feet and letting his ¨paws¨ hang loosely like a bear. He does this comparison on purpose to show what Lennie is like. Steinback compares Lennie to a bear to show how strong he is and how hes a little slow. It also shows how hes like an animal with a lot of strength, with no awarness of cause nd effect.
Carlson wants to shoot Candys dog since its getting old. Candy and his dog have a special bond, and Candy helps out the dog a lot. This relationship is a lot like George and Lennie, and is foreshadowing. The author tries to show something bad may happen in the future to one of them, involving a gun.
Lennie was petting the brand new dog that he was given, and eventually pets it too hard. He gets very sad about it and Curlys wife comes and comforts him. It foreshadows her death because of the fact everything he pets, its always too hard and kills it, and it foreshadows that he might pet Curlys wife.
This is the last part of the book, when George finally kills Lennie. The author has been foreshawdoing this moment for a while, using hidden analogys. This starts to show that George is becoming like Carlson, because the death of Candys dog is like this moment. George is like all the others, heartless.