What would probably happen is the world would decide that Islam has declared war on the world and every Muslim in the world would be eliminated if small pox didn’t get them first. You’re talking about a mob reaction and until that burned out the killing of Muslims won’t stop. Any political leader who tried to stop the killing would stand a very good chance of being called a Muslim supporter and treated accordingly. They would know that so to protect themselves the most they would do to stop the reprisals would be to do nothing. They aren’t know for being brave.
“What would probably happen is the world would decide that Islam has declared war on the world....”
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You mean to tell me that it took 14 centuries for the world to finally come to the realization that Islam declared war on it?