Due to a fault in a code, if you reload, the factories are listed as empty and all pops have their needs listed as empty, too. keep this cycle going until you start receiving notes about national bankrupcies. The bonuses and advantages of Greater Germany are so numerous that they can basically overwhelm and easily beat even the other great powers of the game.
While the two principal German nations Prussia and Austria are by themselves no means weak when either one of them meets the right conditions they can form Germany and if one controls all German territory then they can form Greater Germany.
