People who had hidden themselves indoors began to emerge and walk the streets again. Shop doors opened for business, and ships once again sailed upriver to discharge cargo; farmers arrived, their wagons loaded with provisions bound for the markets of a very hungry city. Plans were even announced for the resumption of the stagecoach in early November. The city seemed to be awakening after a long, inescapable nightmare.
The last line of the passage is

the correct answer is the first option "the bolkshevik revolution". the passage makes reference to many of important events that occured in the revolution, such as the assemblies, in this case the animals are gathered in an assembly after a protest, the murder of fellow partners, the speeches given by the leader of the revolution, among other aspects. the last choice is possible, but in this passage in particular it is not emphasized the fight between the characters, that is the two pigs, that represent lenin and stallin.

you didn't list the options but im guessing it's resolving contradictions

answer: common sense was the pamphlet that thomas paine used to convince reluctant americans to abandon the goal of reconciling with britain and to accept that independence was the only option to preserve their liberty.