The main reason for the success of the first crusade was the crusaders'

listed the works which were

banned by the church=index librorum prohibitorum

questioned many tenets

of the catholic church=

martin luther’s

ninety-five

theses

an authoritative treatise

on witchcraft=mallets maleficarum

a set of meditation, prayer, and

contemplation exercises to

strengthen one’s relationship

with god=spiritual exercises

hope it ✔

this is a good question! i'll do some research and come back when i have the answer!