It's call : Convergent Boundaries.
It is true
it wants my to put 20 characters so here's this
The answer would be C, because him knowing that he can do this to his sister gives him knowledge which then causes him to have power over the situation.
The main Idea and supporting details.
okay ,so higher points,mark brainliest ,aand help others ,
okay i got it Have a nice day sweetheart!!!