Why is romeo so depressed in act 1 scene 1 of romeo and juliet?

Which of these sentences is the correct one?

It was this unfathomable longing of the soul to vex itself- to offer violence to its own nature -- to do wrong forthe wrong's sake only - that urged me to continue andfinally to consummate the injury i had inflicted upon theunoffending brute.which theme does this sentence best support? ) a. humans are to struggle against their fate.b. all people have a wicked side.c. humans are meant to rule earth.od. no wrong will go unpunished.submit

Whiat is the best example of a story's historical content?