The UK, USA, and Australia announced a joint programme to build more nuclear submarines, and declared that China poses the biggest threat to the world economy of any country. It came following the inauguration of China’s President Xi Jinping’s precedent-setting third term in office, where he called for the country to modernise its military to make it a "Great Wall of Steel". On the Sky News Daily, Sally Lockwood is joined by our US correspondent Mark Stone, and Asia correspondent Helen-Ann Smith, to explore the rising tensions between the superpowers, and if the US-China relationship has any hope of cooling off soon. #china #skynews SUBSCRIBE to our YouTube channel for more videos: / skynews Follow us on Twitter: / skynews Like us on Facebook: / skynews Follow us on Instagram: / skynews Follow us on TikTok: / skynews For more content go to http://news.sky.com and download our apps: Apple https://itunes.apple.com/gb/app/sky-n... Android https://play.google.com/store/apps/de... Sky News Daily podcast is available for free here: https://podfollow.com/skynewsdaily/ Sky News videos are now available in Spanish here/Los video de Sky News están disponibles en español aquí: / @skynewsespanol Sky News videos are also available in German here/Hier können Sie außerdem Sky News-Videos auf Deutsch finden: / channel To enquire about licensing Sky News content, you can find more information here: https://news.sky.com/info/library-sales