Is war a rational act of state , in context with 20th century The Great War

To begin with, the scientific modelling of Global inter-state system evidently illustrated that the Wars as material force created impact on world as whole and generalisation of modern state took shape of reality. Therefore, world wars of 20th century played a vital role to reshape world map.

In particular, ww 1 began in 1914, after the assassination of Archduke Franz Ferdinand, and lasted until 1918. According to game theory , diplomatic crisis among the major powers of Europe led to world war. Additionally the Balkan. League was formed under the Russian auspices as matter of facts it was systematic error and eventually World War I saw unprecedented levels of carnage and destruction. By the time the war was over and the Allied Powers claimed victory, more than 16 million people – soldiers and civilians alike – were dead.
In conclusion, world leader state their desire and tried to build post-war world in the shape of treaty of Versailles to avoid future conflicts . Therefore world war 1 is called the war to end all wars