'Before they ate a snack' is the correct answer, it is the adverbial clause of time. A cannot be correct because that is an independent clause, and adverb clause has to be dependent. B isn't a clause at all.
C) the puritans voyage back to england
Answer:
the settlers arriving, American revaluation and the declaration of independence
Explanation:
Answer: e. Make you a more compelling speaker.
b. Improve your delivery.