Think of it like this
Internal: A force inside yourself
External: A force outside of yourself
So if there an external force, it’s a force from outside so an example would be bullying. You wouldn’t want to go where you are being bullied so that would be an outside force affecting you.
The POV of Bram Stoker's Dracula is written in first person from the perspective of multiple characters.
It would not be right to write a Haiku about aliens
"Penalty" shows a particularly strong connotation. Your answer would be the word penalty.