Linked from
The 13 pages that link to Shatt al-Arab, each with the reason it gives.
BasraRelated: Basra’s maritime access depends on this waterway.
Abadan RefineryRelated: The waterway connected the refinery to maritime transport and export routes.
Tanker WarRelated: Disputes over this waterway were central to the war’s origins.
AbadanRelated: Abadan stands near its mouth, giving the city access to a major waterway.
AmarahRelated: The Tigris links Amarah downstream to this waterway near Basra.