https://www.corbettreport.com/wwi/ three part doc on the background of WW1.... read Hidden History by Docherty and the other guy for a real nice easy to digest breakdown of the evidence. THIS lecture is cool too https://www.youtube.com/watch?v=Udhq5YocJvE https://firstworldwarhiddenhistory.wordpress.com/about-the-authors/gerry-docherty/