I disaggre because depending on the photo depends on the impact. If the phototismocking someone it is not harmless.But if a regaluar photo yes it is harmless.
Active voice is when the subject performs the action(s) stated by the verb; whereas, passive voice is when the subject is acted upon by the verb. In this case, option C, is the correct one.
The fireworks are the subject of the sentence and they "light the night sky", resulting in active voice.
I think the answer is A: Peace and Strength of the confederacy. Let me know if I am incorrect.