How would East Asia, and the world in its entirety look and develop if for some reason, Japan had no military, starting at some point after WW2? Either they are forbidden from having it, or strong pacifists managed to get it abolished, or never created in the first place?
What would be the sociocultural effects of a country so large, having no military?
What would be the sociocultural effects of a country so large, having no military?