Is the American century over? Your questions answered

As the United States celebrates 250 years since its founding, this week The Global Story has been exploring the surprising and often hidden ways the US has shaped the modern world.Today, we hear from you. Asma and Tristan put your thoughts and questions about America’s impact on the world to the BBC’s international editor, Jeremy Bowen, who has reported from more than 90 countries over the past 40 years, and to Celia Hatton, who hosts the BBC’s Global News Podcast and previously spent 15 years reporting from inside China.Producers: Cat Farnsworth, Aron Keller and Hannah MooreExecutive producer: James ShieldMix: Travis EvansSenior news editor: China CollinsPhoto: An illustration of a megaphone. Credit: BBC