What Iran and US get from deal and why both could struggle to keep it

The document, signed separately by US President Donald Trump and Iranian President Masoud Pezeshkian, sets out a 60-day framework for negotiations over Iran’s nuclear programme but it also confirms an immediate halt to military operations on all fronts, including Lebanon, mutual respect for sovereignty, the reopening of the Strait of Hormuz and the lifting of the US naval blockade on Iranian shipping.