Answer:
The impact of the fourth crusade on the byzantine empire was that it captured, looted, and occupied the capital of Constantinople in 1204. This led to the fragmentation of the byzantine world and the emergence of competing Greek and Latin states. The byzantine empire became the Latin empire and was divided between the crusade leaders and Venice. The fourth crusade also deepened the intolerance and schism between the Eastern and Western Christians. The crusade dealt an irrevocable blow to the byzantine empire, contributing to its decline and fall.
Step-by-step explanation: