The Crusades have been called history's most successful failure because: A)these wars helped bring about the fall of Rome.

B)the Crusaders could not reclaim Jerusalem, but they did protect Constantinople.

C)although the Crusaders captured the Holy Land, they were unable to create democratic reform.

D)the Crusaders failed to hold Jerusalem, but the conflict sparked political, social, and economic growth in Western Europe.

D

Explanation:

the Crusaders failed to hold Jerusalem, but the conflict sparked political, social, and economic growth in Western Europe.

i hope this

explanation:

max weber's 3 types of authority. the sociologist and philosopher  max weber  distinguishes  three types of authority—charismatic,  traditional  and legal-rational—each of which corresponds to a brand of  leadership that is operative in contemporary society.

the answer would be a i think?