▁fate ▁of ▁Te lets ▁was ▁similar : ▁two ▁years ▁later ▁he ▁was ▁murder ed ▁because ▁of ▁the ▁defeat . ▁The ▁By z ant ines ▁failed ▁to ▁use ▁the ▁strateg ic ▁advantage ▁which ▁they ▁had ▁and ▁the ▁prolong ed ▁wars ▁in ▁the ▁ 8 th ▁century ▁ended ▁in ▁ 7 9 2 ▁at ▁the ▁Marcel ae ▁with ▁a ▁Bulgar ian ▁victory ▁and ▁re est ab lish ment ▁of ▁the ▁treat y ▁of ▁ 7 1 8 . ▁ ▁S ources ▁▁ ▁Nice ph orus . ▁Op us cul a ▁historia , ▁p .   6 9 - 7 0 ▁ ▁Category : 7 6 0 s ▁conflicts ▁Category : 7 6 3 ▁Category : 8 th ▁century ▁in ▁Bulg aria ▁Category : 7 6 0 s ▁in ▁the ▁By z antine ▁Empire ▁Category : B att les ▁involving ▁the ▁First ▁Bulgar ian ▁Empire ▁Category : B att les ▁of ▁the ▁By z antine – B ul gar ian ▁Wars ▁in ▁Th race ▁Category : Mil it ary ▁history ▁of ▁Bulg aria ▁Category : P om orie <0x0A> </s> ▁B red o ▁Gre ve ▁is ▁a ▁Norwegian ▁an arch ist ▁and ▁film maker , ▁who ▁made ▁ 3 ▁feature - length ▁films ▁and ▁ 1 2 ▁short ▁films , ▁from ▁ 1 9 6 6 ▁to ▁ 1 9 8 6 . ▁His ▁films ▁handle ▁social ▁critical ▁subjects , ▁such ▁as ▁nature ▁conservation , ▁critique ▁of ▁technology ▁and ▁modern ▁society . ▁Most ▁of ▁them ▁share ▁a ▁p ess im istic ▁view ▁about ▁the ▁future ,