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How did the Battle of Quebec in 1759 become a turning point in the war?

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Painting of Edward Braddock and British troops in uniform advancing through dense forest, facing Native American and French fighters during the French and Indian War near Fort Duquesne. — French and Indian War British commander Edward Braddock and his troops preparing to march on the French-held Fort Duquesne (now Pittsburgh, Pennsylvania) during the French and Indian War.

The Battle of Quebec in 1759 served as a decisive turning point in the French and Indian War by breaking French control over their primary stronghold in North America.12

By successfully scaling the cliffs to the Plains of Abraham and defeating the French forces, the British secured a vital position that effectively isolated the remaining French defenses. The surrender of Quebec on September 18, 1759, paved the way for the total collapse of French power in the region; within a year, the French were forced to surrender Montreal and the rest of Canada.321

This victory was instrumental in establishing British hegemony in North America, as it removed France as a major colonial rival. Furthermore, the battle’s outcome had long-term geopolitical consequences: the removal of the French threat increased the confidence of the British colonies, indirectly contributing to the tensions that led to the American Revolution.2