I wouldn't be so sure of France falling ... not yet, anyway ..........
As for Africa, that is what I thought BUT ... if you had kept a couple of workers in Europe constantly repairing the smashed roads, you could have operated a rolling defence - as it is with no roads at all and virtually your entire Army in Paris (with a movement of 1 for the most part) you were consigning your southern cities to automatic defeat.
Also, why nearly all your workers building Rails ? Roco has made railroads very time consuming for a reason ... to prevent people doing what you were doing. Those workers would have been much better used by mining where possible and irrigating where mining wasn't feasible in order to build Africa up for you.
You could also have MOBILISED for war ..............
Anyway, enough Perkins bashing
Seriously though, I really think you could have done things a bit different, but then hindsight is wonderful ..... what you need to remember is this isn't single player where you build the largest stack the World has ever witnessed and go stomping on the World. In PBEM, a good defensive player can hand out a whole lot of hurting to the attacker ... just ask BK - he knows all about that , don't you BK
Now that you have posted again, do you want to come back ? You were always fast with the turns and are more than welcome to return .......... just don't take my critiscism personally - just trying to offer advice really. You could probably criticise me in more ways than one.