The document provides an overview of revolutionary changes in the Atlantic world between 1750-1850. It discusses the colonial wars and fiscal crises that drove European powers to seek new sources of revenue. The Enlightenment challenged old political ideas and thinkers like Locke and Rousseau proposed new concepts of government and individual rights. The American and French Revolutions broke out in response to taxation attempts and economic struggles. Both revolutions overthrew old regimes but established new republican systems of government.