The protracted closure of the Strait of Hormuz forces additional US military deployment to the Gulf while simultaneously corroding the global nonproliferation regime, as Iran's maritime coercion demonstrates that NPT signatories can defy norms with impunity.
// Cascade Logic
Hormuz remains closed → US must deploy additional naval/air-defense assets to deter further escalation → Iran's demonstrated leverage and unresolved nuclear file collapses NPT Review Conference consensus.
// Causal Graph
// Causal Links
amplifiesstrength: 55%shift: 25%
An unresolved Gulf crisis driven by an NPT-signatory state poisons the diplomatic atmosphere, hardening Western and NAM positions and making consensus on a final document politically impossible.
triggersstrength: 82%shift: 42%
A persistently closed Hormuz strait directly forces Washington to surge naval and air-defense assets to protect commercial shipping and deter further Iranian coercion.