Bells rang across Britain on Friday and mourners gathered in London and other places to honor Queen Elizabeth II.She died Thursday at the age of 96, after 70 years as the country’s ruler.Around the world, her exceptional reign is being remembered, celebrated, and debated.Many are also considering what the future will look like with the new king, Charles III.The British monarchy’s rules state that “a new sovereign succeeds to the throne as soon as his or her predecessor dies.”So, as Elizabeth’s first son, Charles became king immediately upon her death.Charles has spent much of his 73 years preparing to be king.On his first full day of duties, the King met in London with Prime Minister Liz Truss.Queen Elizabeth had officially appointed Truss earlier in the week.Charles arrived at Buckingham Palace, the monarch's London home, to cheers from crowds nearby.His wife Camilla, now queen consort, was by his side.