Hey, for those who think I have nothing good to say about Catholicism, (which is not true) this is one thing I give them credit for.
I only wish they had finished the job.
Well, that was BEFORE the Reformation. So we were still part of the club. :O)
The same reason the Christian west lost the Crusades is what is currently happening now in the war on jihadism. They ran out of money, knights and their kingdoms back home were crumbling.