What makes an authors claims or information more believable and useful

Read the passage: canines may not be the deepest thinkers in the world. but perhaps that's for the best. the life of a dog—sitting alone all day, waiting for everyone to come home—can be pretty boring. super-smart animals would probably get totally stressed out, says university of pennsylvania researcher james serpell. look at it this way: if dogs were any smarter, they probably wouldn't choose to hang around with us. which best describes the tone of the passage?

Based on thoreau's transcendental beliefs, why might he have written an essay opposing the war? to explain the individual's responsibilities within a corrupt society to begin his own political career to call attention to the ways in which the government was essentially good to express his lack of interest in societal issues

Which lines in this excerpt from act iv of shakespeare’s romeo and juliet reflect the conflict of person versus the unknown?