What is the main role of supranational institution?

The main role of a supranational institution is to facilitate cooperation and coordination among member states on issues that transcend national boundaries, such as trade, security, and environmental policy. These institutions often have the authority to make binding decisions that member countries agree to follow, promoting collective action and integration. They aim to address shared challenges and foster stability, peace, and economic development in a globalized world. Examples include the European Union and the United Nations.