Is there someone who got a nice way to add ipc bonus in the game like in a&a for each nation

If someone did can you share how you did ? I kinda liked the ipc bonus on the a&a normal games , this global one has a lot less of those if any most of the time

Is there someone who got a nice way to add ipc bonus in the game like in a&a for each nation

If someone did can you share how you did ? I kinda liked the ipc bonus on the a&a normal games , this global one has a lot less of those if any most of the time