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The American Revolution was a revolution in the second half of the 18th century, during which the 13 original colonies that today form an area along the American east coast seceded from Britain and established the United States of America as a federal republic.
The American Revolution brought about a number of major intellectual and social changes in young American society, particularly the interest in a Republican government. The American patriots were strongly influenced by the ideas of the Enlightenment; they were against autocracy and did not see the French form of government as a viable solution. In some colonies there were heated debates over the role of democracy in the organization of the state. The change of public opinion towards a republican government and a gradually expanding democracy brought about great changes in the structure of society and laid the foundation for the central ideas by which the United States is still governed.