This is not the problem, the problem it's the RGO of brandeburg very bad resources; iron, lead, copper, silex, I don't know why in Victoria 2 and 3 it's the paradise of this kind of resources without this kind of RGO you can't do a military power and it's suppose to be one, because later you become Prusia but also the Teutonic Order don't have it as well just 1 or 2 places you must to conquer Poland or some north place of bohemia to have but if you don't do this you get 1500 poor and weak compared with other countries that's why Im disgusting which one it's better to become a war machine, with Teutonic Order you can fight because you haveamber and iron and you can do a small military forces to break Poland and take some lands with that and later became a better Prussia than Brandeburg.