a. They bring people together, fostering a sense of belonging and unity among participants. b. Festivals in Vietnam offer a vibrant celebration of culture and community. c. These events showcase traditional music, dance, and cuisine, allowing attendees to experience the rich heritage of the country. d. Overall, they create a joyful atmosphere that promotes cultural exchange and strengthens social bonds. e. Festivals also boost local economies by attracting tourists, which helps small businesses thrive.