Hitler probably won't attack if he's still fighting in Europe (Yugoslavia and Greece may take time). Also, it may not attack if you're too powerful, so you can go ahead and attack him.
Will DH ever have some more building-projects in provinces? Raffineries for example, or some kind of production conglomerates which give bonusses to certain production types?
http://forum.paradoxplaza.com/forum/showthread.php?457925-colour-pictures&Is there a good addition/mod/patch for USA leaders? They have insufficient leaders, especially for aviation?
http://forum.paradoxplaza.com/forum/showthread.php?457925-colour-pictures&
Take a look at the USA leader CSV.
How do you control where you build IC (for example, you can build IC only in certain locations)? Is it in the province file?