When the U.S. launched strikes on Iran in late February, the immediate concern was oil prices. The Strait of Hormuz—through which roughly 20% of global oil supply flows—closed, sending energy markets into a spiral and gas prices past $4 a gallon in the U.S. within weeks. Domestically and abroad, people felt the oil supply at the pump: Moody’s estimated it would cost Americans over $100 billion at the pump; gas rationing began in Bangladesh, Sout…