If you have read the right history books
History Lesson -
The victor in/from the middle east gets to chop off heads after victory to show how cruel he is.
Islamic State mass killing
Syrian Arab Army chopping heads off and playing soccer with the heads
These aren't barbaric acts perpetrated by the likes of ISIS terrorists— ۞Rational⚔Liberator۞ (@ShamiRebel) April 2, 2016
These are #ISIS' teachers the #SAA#Palmyra pic.twitter.com/4Z6b07vZG7