What are the differences between Western European integration and North American integration?

North American integration, in contrast to European integration, does not have supranational bodies and developed as an interpenetration of economies at the level of interaction of private economic subjects of the market. The North American model is only a free trade zone. In Western Europe, things have gone much further. The European Union was formed, a single monetary unit was introduced, the development of a common foreign and security policy began, cooperation in the field of justice and home affairs. Integration covered social. sphere, employment issues, health care. The EU Constitution was signed. The EU has a single European Parliament, the Central Bank, and the European Court of Justice.