A comedy has humor in it and usually ends happily. A tragedy usually ends up sad.
Do you just need help with plot? If a character makes a deal with the devil you just have to create a story for the 'Why' aspect. Then write about what happened after they did and if it was worth it. I hope that helped, good luck! :) If you need more help feel free to shoot me a message!
Answer:
the crime of betrayings one's country
Explanation: