How could the US-Iran deal affect oil prices and the cost of food?

More than three months after the US and Israel first began their war with Iran, the White House and the Iranian regime have agreed a framework deal to bring about a more long-term end to hostilities. The Middle East crisis sent global oil prices soaring as the conflict effectively closed one of the world's key water transport routes for oil, liquid natural gas and other essential commodities, limiting global supplies. But experts warn a return to normal shipping through the Strait of Hormuz will take time, and the impact of the war will continue to affect the global economy for potentially months to come. "Let the oil flow!" US President Donald Trump said in a social media post heralding the agreement, which he said would include the reopening of the strait to commercial shipping. "Ships are starting to move," Trump declared later on Monday, "loaded up with oil, out of the Strait of Hormuz" which he said was "totally safe, secure and pristine". BBC Verify has been checking ship-tracking data which appears to show that traffic levels remain low in the Strait of Hormuz, despite the announcement. According to ship tracking website MarineTraffic, only two vessels with active location t