What unites society and groups of individuals?

According to Confucius, what unites society and groups of individuals? Is Confucius right about the centrality of ritual for human life? Do you think rituals could help contemporary US society resolve its political disagreements, especially if Vallier’s approach to disagreement is included with a revival of US ritual interaction?
https://www.youtube.com/watch?v=3wLqsRLvV-c