A, The opera is based on a sacred topic and an oratorio isn’t.
Answer:
B is correct.
Explanation:
You need a comma and a conjunction in between clauses and that is the only correct option
Answer: The question is confusing, ask your teacher to brake it down for you.
Explanation:It always helps
Personally I do not think so unless they are actually competing for something otherwise it’s for entertainment
Question One --> Peace Maker
Question Two --> Warlord