Leading up to the French and Indian War, the British were A. victorious at the battle at Fort Oswego.
B. victorious at the battle at Fort William Henry.
C. defeated at the battle at Fort Duquesne.
D. defeated at the battle at Fort Ticonderoga.

C. defeated at the battle at Fort Duquesne

Explanation:

The Battle of Fort Duquesne was British assault on the eponymous French fort  that was repulsed with heavy losses on 14 September 1758, during the French and Indian War. its also correct on EDGE2021

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