- How Iran Blocking the Strait of Hormuz Affects the U.S. (factcheck.org)
President Donald Trump claimed that Iran essentially shutting down the Strait of Hormuz âdoesnât really affectâ the United States the way it does âother countries.â Itâs true that a small share of U.S. oil imports comes from the Persian Gulf. But the U.S. has been affected by the global increase in the price of oil.