spheres of authority that the Maastricht Treaty created:
Trade and other economic matters, including economic and monetary union into a single currency, and the creation of the European Central Bank
Justice and home affairs, including policy governing asylum, border crossing, immigration, and judicial cooperation on crime and terrorism
Common foreign and security policy, including joint positions and actions, and common defense policy
civil liberties
equal treatment laws
checks and balances for power
Open civil society that allows private, independent lives for citizens
civilian control over military