Why do people say persons instead of people?

Which two sentences in this excerpt from theodore dreiser my brother paul are examples of characterization that suggest paul is a superstitious person?

Dogs make wonderful pets because they us stay happy and healthy. the topic sentence is "dogs make wonderful pets." , is this correct? i keep doubting myself.

Hurry 20 mins left! study the timeline of russian history, and read the passage from chapter 1 of animal farm. "is it not crystal clear, then, comrades, that all the evils of this life of ours spring from the tyranny of human beings? only get rid of man, and the produce of our labour would be our own. almost overnight we could become rich and free. what then must we do? why, work night and day, body and soul, for the overthrow of the human race! that is my message to you, comrades: rebellion! " which event most likely influenced the writing of this passage? the 1905 massacre of people who were protesting their poor living conditions the 1917 bolshevik revolution, which was inspired by the ideals of lenin the development of the union of soviet socialist republics by lenin in 1922 the collectivization of agriculture by the communist party in russia in 1928