Which of the following statements gives a cause of the American Revolution?

While some American colonists did serve in the British military, this was not a primary cause of the American Revolution. The draft was not widespread, and the main grievances revolved around issues of taxation and representation rather than military conscription. Thus, this choice does not capture the central reasons for the revolution.

The alliance between France and Spain, while significant in the broader context of European politics, did not directly cause the American Revolution. The conflict was primarily between the American colonies and Great Britain. This choice fails to address the internal colonial issues that led to the revolutionary sentiments.

This choice pertains to the broader context of territorial disputes in North America but is not a direct cause of the American Revolution. The conflict over Ohio River valley forts was more relevant to the French and Indian War and subsequent British colonial policies rather than the specific motivations that led to the colonies' push for independence from Britain.