The real reason for PMW was the gradual slide into a ceaseless conflict of interests due to the reluctance of each side to make concessions and negotiate + at the same time, collective security alliances are ending in advance. As a result, the general war mechanism was launched step by step. To say it's an accident, no. The parties deliberately prepared for war, did not want to surrender, and after joining the conflict with recruitment measures, simply began to play by the rules of the "Patron's Dilemma" - no one believed anyone, so all the calls and telegrams with an attempt to remember the soldiers who began to turn around - did not work, because no one believed anyone and believed that any slowness in the military processes would lead to delay, to win a strategic defeat and the end of their enemy.