Answer: The answer to your question is that he returned so that he can serve the people of France.
Step-by-step explanation:
According to that passage, Napoleon surprised France and Europe by escaping from Elba and returning to a France where dissatisfaction with King Louis XVIII was growing. Actually, he really wanted to regain more power. Nevertheless, the European powers that had ousted him didn´t accept his political return and mobilized their armies to overthrow him again. He marched with his army to Belgium, where he suffered his final defeat at Waterloo on June 18, 1815