Tehran is now presenting them as conditions merely for reopening one of the world’s most strategically important shipping corridors. The United States has demanded unrestricted navigation through the strait while Iran has sought greater authority over vessels entering the Persian Gulf. Why Lasting Peace With Iran Remains So DifficultThe dispute is not merely about territory, sanctions or shipping. That was illustrated again in May when Iran’s Supreme Leader described America as the “Great Satan” while portraying Iran’s struggle against the United States and Israel in explicitly religious terms. Those demands closely resemble the conditions Tehran is now attaching to the Strait of Hormuz.