1900 to 1921 Politics Test

I selected 18 people and played 18 countries from 1900 to 1921. A series of setup tests were conducted relying on powerful algorithms and very accurate data at the time. This is not only a political test simulation, but also an in-depth exploration of human nature, exposing the dangers of human nature. Is this just a game? They have no regard for peace. It was not until the eve of the destruction of the empire that I remembered the importance of peace. Those treaties were simply useless paper and could not restrain the expansion of the empire at all...