Its C Robin Hood! I hope this helps you with your homework!
He disagreed with his sister on the subject of Trump vs. Clinton.
*You control your own destiny.*
Two lines of the poem directly support this claim. They are...
"I am the master of my fate:
I am the captain of my soul."
Meaning that the ultimate determining factor is you. Everyone is granted a choice, fate and destiny do not control you, because everyone has free-will.