). Among them is a pay-as-you go oil rule that Pablo developed. He originally required countries to spend oil markers in integer quantities (i.e. an action could cost 0, 1 or 2 saved oil), and when Harry Rowland adapted it he changed to be tenths of a saved oil point that were spent (with variable quantities by major power and by action call).
I think if you want to make 1940 France easier but also prevent making a 1939 France easier, the way to do that would be to add 1 or 2 3-4 combat factor Polish units while restraining the Allied defence (such as with Pablo's "Ardennes" rule) in the West. With adequate forces and focus the Germans can smash through the extra Poles no sweat, but they can't just leave them be and turn westwards in 1939 or they might not be able to contain the Poles.
Alternatively, instead of adding new setup Polish units, add 1 or 2 decent (4-6 combat factor) reserve or 1939 units. That way Poland isn't more difficult unless things go really bad for Germany - but as long as by the end of S/O 1939 the Germans have surrounded Warsaw & Lodz, even if they haven't taken them, they should be able to prevail without too much trouble. However, once again the Germans will not want to sit around and let the Polish army buff up.
Or I could be totally out to lunch (having just eaten it, you never know).
