some points about iran- iraq war origins

although iran-iraq war was an aftermath of different challenges between the two countries after the islamic revolution and of a shift in iran's position in the bipolar world of that day, the factors causing this war were not limited to the mentioned ones. their various disputes and disagreements have old historical backgrounds going back to safavieh ages or even before that. religious, geopolitical, geomorphologic, and many other factors have been effective in the formation of these disputes and studding the iran-iraq war will not be possible without considering these factors. this essay is about the historical roots of various disputes between the two countries; many of which can still be a good excuse for tension making