Answer:
They think that the harder they work, the more rations they will receive from their leaders, the pigs. They believe that all of their work benefits the community of animals and ultimately is for the best.
<span>the process of receiving or giving systematic instruction, especially at a school or university.</span>
Answer:
Personally I think the 3rd one would be the best revised
Explanation: While the others are well put this one puts everything into correct context and where it makes the most sense.
Again not 100% sure been awhile since I took English, but it sounds right to me.