If in the book 'animal farm', what does the chapter emphasize about the big draft horses

It emphasizes loyalty and ignorance.

Explanation:

Boxer is the strongest draft horse in the farm. He works harder and harder everyday and his motto is 'Napoleon is always right'. Orwell meant Boxer to represent the working class in the Soviet Union. People who were the engine of the revolution, who worked long harsh hours in different places like coalmines, factories and fields. Those people barely had time to get an education. So, they actually did not understand what the government was doing in the Soviet Union. They were lied to and believed in every piece of propaganda that the Stalinist government published. Just as in the book Boxer is unfairly slaughtered, most working class people in the Soviet Union were brought down to hunger and poverty to the point of almost dying.

d is the best answer for this question.