In "The Palace Thief" How do the conflicting motivations of the narrator shape his actions in the passage?

Read this excerpt from tim o’brien‘s “ambush” “i had already pulled the pin on a grenade. i had come to a crouch” which literary device is most clearly shown in this excerpt?

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

How do sotomayor's descriptions of her family most likelyaffect readers?