What would have happened in this situation in real life?

[GoldenRivet]

Originally Posted by Frank0001

Hitler wouldn't be too pleased, since he specifically ordered NOT to interfere with the Americans or piss them off, to avoid them joining the war (and look how well that ended!)

Yes and in addendum to my previous post, there are reports of American DDs placing themselves in the line of fire between U-boats and british merchant ships.

i feel like this would be the most likley scenario.