Which of the following IGOs has pushed the bounds of international collaboration further than any other IGO?

Question

Quizplus · Accepted Answer

The European Union is unique among IGOs in terms of the depth and scope of its integration efforts. It has gone beyond traditional issues such as trade and finance to establish a single market, a common currency, and to coordinate policies on issues such as agriculture, energy, research, and foreign affairs. The EU has also developed supranational institutions with significant decision-making authority, such as the European Commission and the European Parliament. While other IGOs have made important contributions to international cooperation, none have pushed the bounds of collaboration further than the EU.

Which of the Following IGOs Has Pushed the Bounds of International