How does the right to free speech to create a more peaceful and stable society?

One of the worries, in a society without free speech, is that those in power will jail those who speak out against them. When power shifts, those that were jailed return the favor.

So, free speech enables all parties to know that they will have people say things about them but that they also are allowed to say things about their opponents in return.

a punishment or the threat of punishment used to enforce conformity. enforcement of norms or shared rules of conduct that tell people how to act in specific situations. social control. not everyone internalizes all of society's norms, and some people must be motivated by self-fulfillment.

b because thats the naswer i got