NATO is a political and military alliance built around collective defence. Its strategic role has evolved as the security environment in Europe and beyond has changed. The Collective Defence PrincipleThe alliance is built around the principle that an armed attack against one member can be treated as an attack against all. The purpose is to deter aggression and provide a framework for coordinated defence. How NATO Makes DecisionsNATO operates through consultation and consensus

The G7 is a forum for advanced industrial democracies to coordinate on economic, geopolitical and global policy questions. It is not a world government, but its members have substantial economic and diplomatic influence. Who ParticipatesThe core group consists of Canada, France, Germany, Italy, Japan, the United Kingdom and the United States, with the European Union participating in G7 work. What the G7 DiscussesTopics can include economic policy, energy, security, technology

The European Union is a unique political and economic partnership in which member states cooperate through common institutions and shared rules. Its influence extends well beyond Europe through trade and regulation. How the EU Is OrganizedThe European Commission proposes and implements policy, the European Parliament represents citizens, and the Council represents national governments. Other institutions also play important roles. The Single MarketThe EU single market aims to