Elaborate your question more about who you need the information
Like policy of each ??? What ?? Presidents !! But which presidents ?
Sorry
Modern day Iran hope it helps
One of the major things that led to the collapse of the German army/navy and their war effort was internal fighting among the Germans themselves regarding tactics.
<span>Although it is popularly believed that the German army was the first to use gas it was in fact initially deployed by the French. In the first month of the war, August 1914, they fired tear-gas grenades against the Germans. </span>