Sustained naval blockade, more sanctions and making it harder for Tehran to sell its oil among the options to tighten the screws.

Months into the war, Trump is returning to squeezing Iran's economy rather than military offensive for now.

Iran's sanctions-hit economy already at historic crossroads as inflation and unemployment skyrocket

US bets on economic pain to force Tehran to negotiate over nuclear programme

President Trump described Iran as devious negotiators in a recent interview. He outlined two strategies for dealing with the ongoing conflict. One approach involves economic…