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<span>The
Ottomans and Safavids have fought each other mainly because the
Ottomans were Sunni Muslim and the Safavids were Shiite Muslim. They
also fought each other because expanding borders is part of what
sustains the economy of these two empires. As a result of conflict
between these two empires, each empire's economy was depleted because it
spent so much on wars that ended up not helping the empire in any way.
This partially contributed to the decline of these two empires. </span>
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