The Crusades helped start the Scientific Revolution by: breaking up kingdoms into feudal fiefdoms.

bringing Europeans into contact with the Islamic world.

increasing the power and prestige of the Catholic Church.

All of the choices are correct.

Correct All of the choices are correct.

Explanation:

The Crusades was a series of war enganged by the Roman Catholic church inorder to foster their aim, belief and religion on the people. This war was termed holy war and was mostly fought on kingdoms where christianity is not practiced in.

The scientific revolution which was started by the Crusades was due to all the choices listed above.

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d

explanation: