series of unsuccessful the events that began with the assassination of the archduke, franz ferdinand gavrilo principich in turn prompted austria-hungary to announce an ultimatum to serbia in support of serbia e, was ready to provide the russian empire by announcing the mobilization of troops - this provoked a corresponding mobilization not only of austria-hungary itself , but also in germany due to the fact that the process of mobilization in the russian empire took longer than in germany and austria-hungary. this put, and the diplomats who dealt with the settlement of this conflict in a very difficult situation that is why, starting from july 28, we see cross-declarations of war, austria-hungary declares war on serbia germany without waiting for russia to declare, and the military against australia itself initiates this war against russia and having allied relations, and against germany , not only russia but also france opposes after that and a strategic crisis arises around belgium and for which great britain enters the war and c. as a result of this series of events, a, the folding of two warring