Since the 1950s, European integration has seen the development of a supranational system of governance, as its institutions move further from the concept of simple intergovernmentalism and more towards a federalised system.
Sejak tahun 1950-an, integrasi Eropa telah melihat perkembangan sistem pemerintahan supranasional, karena lembaga-lembaganya bergerak lebih jauh dari konsep intergovernmentalisme sederhana dan lebih ke arah sistem federal.