Maybe this would unbalance the game, but Franco’s Spain had been a close ally of Germany in the 1930’s and this could represent Germany’s constant nagging to repay the favor.
[…]
Thoughts?
It could be an interesting game option. Historically, though, Hitler did try nagging Franco but got nowhere with him, for instance in the discussions over the projected Operation Felix (see http://en.wikipedia.org/wiki/Operation_Felix).





