It’s asia i’m pretty sure
That sounds like a citizen to me
A. Weapons to the allies.
Although it did happen, the U-Boats objectives were to stop the Allies war effort such as weapons rather than passenger ships which had passengers. The Central powers are the Axis/ Germany as for Oil to Mexico, I doubt many U-Boats made it to the USA.
Answer:
Here it is. This is 100% correct. BELIEVE ME!!