Final answer:
Chapter 9 of Animal Farm centers on the ongoing struggles of the animals, Boxer's failing health, and the continued exploitation by the pigs, showcasing the betrayal of the revolution's ideals.
Step-by-step explanation:
In Chapter 9 of Animal Farm by George Orwell, the hardships on the farm continue despite the promises made by the pigs. The animals work tirelessly, facing starvation and illness, yet their loyalty to the promises of the Rebellion endures. Boxer, the dedicated workhorse, remains a point of focus as his health begins to fail, signifying the exploitation of the working class. Despite his decline, Boxer's commitment to the farm and the ideal of Animalism leads to a tragic outcome, further illustrating the betrayal of the revolutionary ideals by the ruling class - the pigs.