Well, I’m sure we would have gladly sold weapons to the Germans if there had been any way to deliver them (*snicker*). After all, Standard Oil managed to get a few tankers of petrol to Germany through Spain.
But that’s what happens when you surrender control of the sea...
While we were condemning Japan’s aggression in China we were selling them the scrap metal to feed their war machine. Nothing personal against China; it was just business.