Delle Relazioni Internazionali. Dal 1918... — Storia

: The US implemented the Truman Doctrine and the Marshall Plan to halt Soviet expansion.

: Created to prevent future conflicts through collective diplomacy. It ultimately proved weak due to the absence of the United States and lack of enforcement power. Storia delle relazioni internazionali. Dal 1918...

: The 1990s saw the rapid expansion of liberal democracy, global trade, and the European Union. : The US implemented the Truman Doctrine and

🌐 Phase 4: The Post-Cold War and Multipolar Era (1991–Present) Storia delle relazioni internazionali. Dal 1918...

This era is defined by the search for collective security and the rise of totalitarian regimes.

: Established with a Security Council to succeed the League of Nations, aiming for more effective global governance. ❄️ Phase 3: The Cold War (1947–1991)