Trump offers Iran an ultimatum to reopen the Strait of Hormuz. If no settlement is reached, Tehran has an alternative choice for escalation that has obtained little consideration thus far. It targets the livelihoods of the Gulf states.
https://www.welt.de/politik/ausland/plus69c50a77af187d606b813a44/iran-krieg-gefuerchtet-wie-das-atomprogramm-teherans-weitere-lebensbedrohliche-option.html