The Father Only Fights for the Common Good, Right?

Tyranny only operates where there is not friendship, just like how royal power only operates when there is friendship. So why does tyrannical power only operate where there isn't friendship? Well, I mean, because first of all, people will fight to protect their friends. And people will not sacrifice their friend for the end of an unjust regime. The highest level at which the common good is had is the level that you fight for. That's the reason why if you have a just city and the family then has been elevated into this just city, then it's not just appropriate. It's a matter of justice that the families are willing to fight for the city and are willing to sacrifice