The impact of the Treaty of Rome in 1957 was profound in the context of the European Union, as it established the European Economic Community (EEC). This treaty aimed to create a common market among its member states, facilitating the free movement of goods, services, capital, and labor. By promoting economic integration, the Treaty of Rome laid the groundwork for a more unified Europe, fostering cooperation and reducing barriers to trade. The principles established in the treaty eventually evolved into the European Union, promoting not just economic ties but also political collaboration among member countries, contributing to stability and peace in post-war Europe.