Question

which event took place during the fourth crusade?
○ jerusalem was returned to christian control.
○ muslim forces attacked rome.
○ the crusaders attacked constantinople.
○ jerusalem was declared a neutral city.

Explanation:

第四次十字军东征期间，十字军没有前往圣地耶路撒冷，而是在威尼斯人的怂恿下转而进攻拜占庭帝国的首都君士坦丁堡。

Answer:

The Crusaders attacked Constantinople.