Let’s say everything went right for the entente, the first world war is over in 1916, the battle of tannenberg was a decisive Russian victory, the French offensive into Alsace was succeful, an earlier Jutland resulted in an crushing defeat for the German navy. And well generally all this winning resulted in a earlier defeat of the central powers. What would be the gains of the entente if every nation in Europe which joined the entente still joined the entente, and that every nation which joined the central powers still joined the cp.