How do you think, could the idea of creating a coalition of all socialist parties be realized?

Attempts to create a world socialist international were actively undertaken in the 20s of the twentieth century, especially at the height of the First World War, but all of them had only a formal character. There was cooperation between the socialist camps of Italy, France and Germany. However, there were too strong cultural and historical destinies for the existence of such an international to become a practical reality. The activation of the fascist camp further undermined the forces of the socialists at the local level.