It depends on what the italicized phrase is.
If <em>on the frozen lake </em>is italicized, then this is a prepositional phrase.
Because it begins with a preposition <em>on. </em>
Answer:
Wait, are president right now? or when?
Explanation:
I don't know what president....
Answer: The south lost the civil war so they suffered.
Answer:
I would say answer B
Explanation: I hope this helps and I am unsure so if it is incorrect sorry