Last year, our town celebrated its 100th anniversary. The celebration lasted for three days and included a historical parade, a concert by a local band, and a fireworks display over the lake. Many residents, both young and old, participated in the events, sharing stories and memories of the town's past. The mayor gave a speech, emphasizing the importance of community spirit and preserving local heritage. What was the main reason for the celebration in the town?
A) To welcome new residents.