Why is US threatening to ban TikTok and will other countries follow suit?

Senate has voted to pass bill over Chinese-owned video-sharing app that Joe Biden has signed into lawSenate passes bill banning TikTok if owner does not sell itJoe Biden has signed into law a bill that requires TikTok’s Chinese owner to sell the social media app’s US operations or face a ban, after the Senate passed the legislation.The law, part of a foreign aid package for Ukraine, Israel and Taiwan, sets the clock ticking on a potential ban for a platform that is hugely popular in