The Maastricht Treaty

European cooperation developed after the war through coal, steel, trade, and a common market. German unification, the end of the Cold War, and changing capital flows encouraged deeper institutional negotiation. Governments signed the Maastricht Treaty in 1992, and it took effect in 1993. Economic and monetary union, foreign policy, and judicial cooperation were combined while retaining different decision procedures and responsibilities for national institutions.

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The treaty outlined a path and conditions for a common currency, introduced Union citizenship, and enlarged Parliament’s role in some legislation. Rights of movement and residence received institutional expression. Cooperation also extended into security and internal affairs. Dividing responsibility between national and common institutions had practical consequences for central banking, budgets, and markets. Exemptions and special arrangements allowed some members to participate differently rather than requiring an identical pace from every country.

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Ratification through referendums and parliaments exposed disagreements about sovereignty, economics, and social policy. The euro subsequently entered use, membership expanded, and treaties changed again. Financial crises, migration, and withdrawal later tested the arrangements. Maastricht extended economic cooperation into additional political fields, making everyday government more dependent on transnational rules. Voters, national governments, and European institutions continued negotiating the responsibilities that those shared rules should carry.

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