said speaking of that there has been violence against each other we have skeleton remains of coleman young man never seem to break he still there his. what if you have the head. case paintings for example cave engravings in the southern sahara with laurie scenes in the union conflict armed conflict battle among men. in. i would say i would say that it's in the nature of fast collectively we haven't gotten rid. of collective violence individual violence yes it's always crime and so is it is something which unfortunately is happening but the commission is magic big. as it exists in the human nature collectively. nobody has the full answer yet. of course we have to be very cautious in particular is we have instruments instruments that. extremely dangerous atomic weapons biological weapons. and because of that the 1st world war was so catastrophic because because all of a sudden the war became industrialized into armies met in the battlefield in the 1st days of the war with a kind of civil unrest. and it shoot bold and brave and real face each other face to face like medieval medieval warriors the