This was followed by the Treaty on European Union (TEU) with its commitment to Economic and Monetary Union (EMU) in 1993, enlargement to include Austria, Finland and Sweden in 1995 and the Treaty of Amsterdam in 1997.
Anuas air seo tháinig an Conradh ar an Aortas Eorpach (CAE) i 1993, a raibh ceangail ann maidir leis an Aortas Eacnamaioch Airgeadaiochta (AEA), fairsingiú an Aontais i 1995 le teacht isteach na hOstaire, na Fionnlaine agus na Sualainne agus Conradh Amstardam i 1997.