food to the central power
War material.
'42-'44
They were at war with each other.
it was called U-boat
'42 thru '44.
Whenever they became a target of opportunity.
U-Boat
To stop supplies from reaching England
When ever they were presented with targets of opportunity.
Likely Churchill.
Guerre de Course, merchant warfare.
Unterseeboot, known as 'U Boats'