Hypothetical debate. 2001, after 9/11 the US swallows their pride real hard and doesn't retaliate. They send a message to the Muslim world saying they don't want to go to war and they apologize for the transgressions that started the dissension that sparked the 9/11 attacks, mainly the previous Gulf War. The US leaves Osama / Al-Queda up to his their devices in Afghanistan. The people of Afghanistan are not liberated from Taliban rule, Saddam and his nonexistent WMD's are ignored (and he probably does nothing). Fast forward to today, does ISIS exist? It's it possible they both the War in Afghanistan and War in Iraq that followed 9/11 are a crucial reason for the numbers behind these vicious extreme Islamic organizations?