Answer:
In order to guide and direct people behaviour.
Step-by-step explanation:
We follow norms and the principle of the society because norms provide order in society. Human beings need norms in order to guide and direct their behavior. It also provide order and predictability in social relationships. If norms and rules are not followed properly, then the society and social life of people will have to face various disasters so that's why norms and principle is important in the society.