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The ideologies that are more conducive to terrorist acts are typically inoculated against social progress BY those ideologies.
Sufficiently violent reactions are also a solution however we tend not to use them due to costs implicit in their usage.
We could leave much of the world an irradiated wasteland as part of the war on terror and technically we would have won but we would also have left it an irradiated wasteland
Strictly speaking, the only final solution to human beings treating each other poorly is to destroy the human race. Obviously this is not tenable and so it is a better option to go the other way.
The only way is for computers to take over, or god to choose.