The Maastricht and Amsterdam Treaties

EU Fact Sheets 28-08-2024

The Maastricht Treaty altered the former European treaties and created a European Union based on three pillars: the European Communities, the common foreign and security policy (CFSP) and cooperation in the field of justice and home affairs (JHI). With a view to the enlargement of the Union, the Amsterdam Treaty made the adjustments needed to enable the Union to function more efficiently and democratically.