The Treaties
The road to European Union began with three separate treaties dating from the 1950s:
- the European Coal and Steel Community (ECSC),
- the European Atomic Energy Community (Euratom),
- the European Economic Community (EEC).
Collectively, they
became known as the European Community.
The Maastricht Treaty on European Union, which took effect in November 1993, was a
major overhaul of the founding treaties. It created the "three
pillars" of the European Union as it exists today.
Pillar One
incorporates the three founding treaties and sets out the institutional
requirements for EMU. It also provides for supplementary powers in certain
areas, e.g. environment, research, education and training.
Pillar Two
established the Common
Foreign and Security Policy (CFSP) which makes it possible for the Union to take joint action in
foreign and security affairs.
Pillar Three
created the Justice and
Home Affairs policy (JHA), dealing with asylum, immigration,
judicial cooperation in civil and criminal matters, and customs and police
cooperation against terrorism, drug trafficking and fraud.
The CFSP and JHA
operate by intergovernmental cooperation, rather than by Community
institutions, which operate Pillar One. Maastricht also created European
citizenship and strengthened the European Parliament's legislative role in
certain areas.

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The Amsterdam Treaty
The Amsterdam Treaty continued the reforms of Maastricht and begun to streamline
the EU's institutions ahead of the next enlargement. Many institutional
questions were forwarded to an Intergovernmental Conference launched at the
Helsinki European Council Summit in December 1999 and finalised at the Nice
Summit (December 7, 2000).
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The Amsterdam Treaty
strengthens the CFSP and the EU's ability to undertake joint foreign policy
actions. More decisions are taken by qualified majority instead of
unanimity, as required by Maastricht, and member states are able to abstain
from a vote or an action without impeding the majority.
The Union has
appointed Javier Solana as High Representative for foreign and security
policy, and established a new policy-planning and early-warning unit.
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