Disambiguation evidence for U-boats via surface form

"German U-boats"

As object (6)

Triples where some other subject referred to this entity as "German U-boats".

Allied convoy system → mainThreat →
"German U-boats"
↳ resolves to U-boats
ⓘ
Atlantic theatre of World War I → notableForce →
"German U-boats"
↳ resolves to U-boats
ⓘ
Greyhound → portraysAdversary →
"German U-boats"
↳ resolves to U-boats
ⓘ
Allied merchant shipping → primaryThreat →
"German U-boats"
↳ resolves to U-boats
ⓘ
Western Approaches → threat →
"German U-boats"
↳ resolves to U-boats
ⓘ
Mediterranean U-boat campaign → usedWeapon →
"German U-boats"
↳ resolves to U-boats
ⓘ