The Wall Street Journal reporters added that Trump approved the strike to put pressure on Iran to open the Strait of Hormuz. In this case, the catastrophe is the disruption to the Strait of Hormuz, through which 20% of the world’s oil and natural gas flows. President DONALD J. TRUMP.”This afternoon, Trump told reporters: “You know, we don’t use the strait…we don’t need it. That operation would require the U.S. military to pound Iran’s military capacity near the strait before sending in ground troops. It does not include higher oil prices, geopolitical strife, business uncertainty, and slower growth.