Abadan refinery (Iran)

Structural

Definitional or legal. No counterfactual.

• Located in: Iran · derived
• Operated by: NIOC · derived
• Develops: Crude oil · derived

Causal / evidential

Licenses a counterfactual. Confidence and identification (how the arrow was earned: statutory, forward-test, natural-experiment, or mechanism only) shown per edge.

• Exposed to: Chokepoint transit disruption (measured) · natural-experiment