Help i need the answers .

What do mcmahon’s references to thomas carlyle and john stuart mill do for his own image and credibility?

Which detail from the text best demonstrates the effect of totalitarianism on the animals? "progress was made in the dry frosty weather that followed." "it had been decided to build the walls three feet thick." "they were always cold, and usually hungry as well." "for a long time the quarry was full of snowdrifts and nothing could be done."

May someone me with these questions