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How did the costs of the French and Indian War contribute to the American Revolution?

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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 costs of the French and Indian War (1754–63) were a primary catalyst for the American Revolution because they ended the era of salutary neglect, during which the British government had loosely enforced trade regulations and imperial supervision.1

Following the war, the British government sought to recoup the massive expenses of defending its North American territories and maintaining a larger standing army. To generate revenue, Parliament abandoned its previous policy of non-interference, implementing a series of measures that directly challenged colonial autonomy:231

Revenue Acts: Parliament passed the Sugar Act (1764) and the Stamp Act (1765), the latter being the first attempt to impose direct taxation on colonial commercial and legal documents.31
Constitutional Conflict: Colonists argued that these taxes were unconstitutional because they lacked representation in Parliament, asserting their right as Englishmen to be taxed only by their own consent.3
Escalating Tensions: Subsequent measures, such as the Townshend Acts, further fueled resistance, leading to boycotts, protests, and increased military presence in cities like Boston.41

Ultimately, the British attempt to force the colonies to pay for their own defense transformed the relationship between the mother country and its colonies, fostering a spirit of unity and independence that led to the revolution.35