The economic history of France involves major events and trends, including the elaboration and extension of the seigneurial economic system in the medieval Kingdom of France, the development of the French colonial empire in the early modern period, the wide-ranging reforms of the French Revolution and the Napoleonic Era, the competition with the United Kingdom and other neighboring states during industrialization and the extension of imperialism, the total wars of the late-19th and early 20th centuries, and the introduction of the welfare state and integration with the European Union since World War II. Wikipedia