Human beings have never lacked for things to fight over, but for the last two millennia, they have fought the most over ideas involving the divine. Politics, technology, military capacity, and diseases have all played decisive roles in shaping history, yet it is impossible to understand the rise and fall of empires, the clash of civilizations, and the evolving balance of power without appreciating the unique fervor that religion inspires, and the speed with which new religions can spread.
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See also:
God's Country
Born Again
Earlier:
The new wars of religion
