The US-Iran Deal That Shattered Western Hegemony and Redefined the World

The unexpected US-Iran agreement of June 2026 represents a structural rupture in the post-2025 geopolitical landscape, ending a 3.5-month war and signaling the US's abandonment of unipolar dominance. This deal has eroded G7 cohesion, triggered a dual-track sanction regime, and accelerated the shift toward a fragmented, multi-axis order where alliances are transactional rather than ideological.