4,837
69
2,439 ships
2,439 ships
Relations between the two countries, friendly, or neutral.
sink allied supply ships to England
Countries in Europe not occupied by German In WWII: Britan (Allied) Iceland (Allied) Switzerland (Neutral) Sweden (Neutral) Ireland (Neutral) Spain (Neutral)
u-boats
Unterseeboot, known as 'U Boats'
3000
3000
3000
Destroyers, aircraft, and the convoy system.