Here are the answers to your questions:
Question 1: In what century did the Great Awakening take place?
Answer: C 18th
Question 2: How were religious services different in the First Great Awakening than in previous generations?
Answer: A sermons were more emotional
Question 3: Who is often said to have begun the First Great Awakening?
Answer: C Jonathan Edwards
Let me know if you need any more information!