The correct answer is:
A violent or destructive protest
According to the law of rights, everyone is allowed to join a protest but in a peaceful manner. In case, the protest leads to extremism, then the government is authorized to take necessary actions, with the help of law enforcement officials, in order to control the situation. And hence the protestors can be arrested and accused of violating the rule of laws.
Not positively it incited many mass killings of both religions depending what religion the current queen or king was at the time
Hope this helps!