The US government considers it possible that Israel may have used weapons provided by Washington to violate international humanitarian law in the Gaza Strip. Due to the situation in the war zone, it is difficult to assess individual incidents or make conclusive findings, “It is often difficult to make swift, definitive assessments or determinations on whether specific U.S. defense articles or services have been used in a manner not consistent with international law,” according to the report by the US State Department, which was submitted to the US Congress on Friday afternoon after a delay. “H…