Which character responses best support the author’s purpose in chapter 7? check all that apply. the dogs see to it that napoleon’s orders are carried out. the humans do not believe that snowball destroyed the windmill. four pigs confess that they have been secretly meeting with snowball. the other animals find inspiration in boxer's refrain, "i will work harder! ” when the animals think about snowball, they cannot sleep in their stalls. three hens claim that snowball incited them to disobey napoleon’s orders. when the hens learn that they have to give up their eggs, they become upset.