had stalemated
Past perfectconjugation ofstalemate.There are other translations for this conjugation.

stalemate

The engagement between the champions of the Dragon and Unicorn had carried on for over fifteen years now, and for fifteen years the negotiations between the clans had stalemated.
El compromiso entre los campeones Dragón y Unicornio ya duraba quince años, y durante quince años las negociaciones entre ambos clanes habían estado estancadas.
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