Disambiguation evidence for U-boat campaign off the U.S. East Coast via surface form

"U-boat campaign off the U.S. East Coast"

Triples (1)

Triples where some other subject referred to this entity as "U-boat campaign off the U.S. East Coast".

American Theater (World War II) → hasPart →
"U-boat campaign off the U.S. East Coast"
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linked to: American Theater