DUBAI, United Arab Emirates — Iran said it was reviewing the latest American proposals on ending the war, as U.S. President Donald Trump threatened the country with a new wave of bombing unless a deal is reached that includes reopening the crucial Strait of Hormuz to international shipping. Hope that the two-month conflict could soon end buoyed international markets on Thursday, even as the U.S. military fired on an Iranian oil tanker attempting to breach an American blockade of Iran’s ports hours earlier. The developments followed days of mixed messaging from the Trump administration over its strategy to end the war. Trump posted on social media that the two-month war could soon end and that oil and natural gas shipments disrupted by the conflict could restart. But he said that depends on Iran accepting a reported agreement that he did not detail. “If they don’t agree, the bombing starts,” Trump wrote. A fragile ceasefire between the U.S. and Iran has largely held since April 8.…