Every one of them had to move from there homes and had lost loved ones along the way they had little to no food little to no shelter and some had kids which only tore them even more
Human autonomy is the key concept of Enlightenment ideas. This passage relates to those ideas because Napoleon is refering to the importance of reason over beliefs. When he says "the souls of men proceed along different roads" he is also claiming that any religion is valid to feel close to the creator. In a sense Napoleon makes reference to secularization (the idea of religion and politics should be separated and that one's method of worship should be a private matter). That is why he claims that he could be Catholic, Muslim, or Jew.
During the Crusades, Peter the Hermit is credited with recruiting 30,000 peasants and poor townspeople to volunteer as crusaders. Peter the Hermit was a priest of Amiens and is widely credited by historians of today as being one of the key leaders of the first Crusade.