I made the mistake of playing Ostafrika in TNO on Hard mode.
What a load of bollocks - South African Union gets endless supplies (after years of war, they still had thousands of excess guns, support, artillery) as well as some US volunteer units that can only be described as Space Marines.
And I did play as South Africa once and you definitely don't have anything close to the amount of factories or resources required for that.
I thought at first "maybe they get insane leases from tons of friends" - but after tagging them I could see that was not the case, it must be from scripting.
Even after I decided to cheat myself endless supplies as well I was only winning since their manpower did eventually run out (about a few months before mine did
).
Meanwhile, all those decisions you get to mildly boost your war efforts are so expensive that you can only use them very rarely - and the black market hasn't worked for me once in several years. Fails every single time.
Oh, and your allies (Südwest + Zentralafrika) just idle at home doing absolutely nothing with any of their divisions despite having all their manpower & supplies.
Apparently, other countries with a Hard mode have a similarly insane experience.
So... yeah, don't be an idiot like me and take Hard mode. It's not hard - it's actually impossible without cheating.
At least they fixed their events, though.
Now when you take some focus or event that says you receive factories/stability/etc. - that actually happens, instead of just doing absolutely nothing as it used to.