The Crusades weakened the Byzantine Empire because:

A. Crusaders often captured Byzantine lands for themselves.
B. Catholic leaders refused to send any soldiers to join the Crusades.
C. Non-Christians resented Byzantine rulers for supporting the Crusades.
D. Crusaders frequently joined Turkish armies as paid soldiers.



Answer :

Final answer:

The Fourth Crusade severely weakened the Byzantine Empire through the sacking of Constantinople.


Explanation:

The Crusades weakened the Byzantine Empire due to various reasons. The Fourth Crusade, in particular, dealt a heavy blow by sacking Constantinople, the Byzantine capital, which severely weakened the empire. The crusaders' actions resulted in the destruction of the Byzantine Empire, leading to its continued decline.


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