Thanks for your post. Informative.
Here’s a nice summary of why the Crusades took place - and shines a light on the disinformation from the leftists/Muhammadens.
https://www.youtube.com/watch?v=-ilFbbk9jw4&feature=youtu.be
Since you had “All” in your “to” post, I reply to say it’s a very good & accurate historical chronology/summary in that youtube vid link. I appreciate it is about the “Crusades” there.
But that YouTube vid does not explain, in any depth, how Islam, as a religion, came about, ie Islam’s inception.
Reason I mention the above is because many if not most Muslims, Islamics or Islamists included, try to harmonize differences between Islam, Judaism and Christianity, based on ORIGINAL common grounds or teachings, tenets, practices or religious laws.
Those common grounds go back to Islam capitalizing on aforementioned Abrahamic religions, among other ones, since Islam is the last in chronological order of significant worldwide religions with adherents second only to Christianity at present.