Iran has said it is reviewing a United States peace proposal that seeks to end the war, even as the two sides exchanged fire in the Strait of Hormuz on Thursday.In a post on his Truth Social Platform late on Thursday, US President Donald Trump called Iran’s leadership “lunatics” and warned Tehran would face more severe military action if it did not quickly agree to a deal.Recommended Stories list of 3 itemsend of listBut how is Iran likely to respond to the latest US ceasefire proposals? And is Tehran likely to have to make significant compromises to reach a deal?Here’s what we know:What is in the latest US proposal?According to US media reports, Washington sent Iran a 14-point document earlier this week. Under its proposals, Iran would be required to agree not to develop a nuclear weapon and halt all enrichment of uranium for at least 12 years. It would also be required to hand over an estimated 440kg (970lb) stock of uranium, which it has enriched to 60 percent.In return, the US would gradually lift sanctions and release billions of dollars in frozen Iranian assets and withdraw its naval blockade of Iranian ports.Both sides, which are currently engaged in a naval standoff in the Strait of Hormuz, would reopen the critical waterway within 30 days of signing.Iran has been subject to crippling US sanctions for decades. The lifting of some of these under a 2015 nuclear agreement drawn up with the former Obama administration, five other countries and the European Union, was reversed when Trump u …