Disambiguation evidence for Goryeo via surface form

"Goryeo becomes semi-autonomous vassal under Yuan dynasty"

Triples (1)

Triples where some other subject referred to this entity as "Goryeo becomes semi-autonomous vassal under Yuan dynasty".

Mongol invasion of the Korean Peninsula → aftermath →
"Goryeo becomes semi-autonomous vassal under Yuan dynasty"
↳ resolves to Goryeo
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