I assumed it went without saying that force is justified in retaliation to an initiation of force. It is not okay for the government to imprison someone becaus

I assumed it went without saying that force is justified in retaliation to an initiation of force. It is not okay for the government to imprison someone because they didn't want to rent their house to black or white people, or refused to pay the fine for this choice. It is okay for the government to imprison someone because they threatened their neighbour with violence to coerce them into not renting their house to black or white people.