The most significant impact of the American and French revolutions was the revolutions inspired future independence movements in the caribbean and latin america. So, the correct option is C.
The most important impacted the American Revolution were freedom the Treaty of Paris which was signed in Paris & France on September 3, 1783 and this ended the American Revolutionary War and gave independence for the colonies of the country from Great Britain and they could form their own new government and make their own new laws.
The effects of the French Revolution for the french people was monarchy ended in France and established a democracy in a France and In addition to that it led to the rise of Napoleon Bonaparte a military general and emperor of france.
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