Why was the invasion of the byzantine empire by the seljuk turks significant? a. it made the papacy less powerful. b. it prompted the first of the crusades. c. it led to peace between alexius i and pope urban ii. d. it gave alexius i control over the entire middle east.

B. it prompted the first of the crusaders

Explanation:

The Seljuk Turk invasion of the Byzantine Empire in the 11th century was significant because it set the stage for the coming Crusades. The Turks had taken the Holy Land, blocking Christian pilgrimages and controlling important trade routes.

i think the answer is a and i hope this ; ))