It is true that the ban, running under the legislation titled "Protecting Americans from Foreign Adversary Controlled Applications Act," has run on the grounds that the app poses "a national-security threat of immense depth and scale," according to the U.S. Justice Department .

TikTok's Chinese ownership for years has raised concerns among American leaders, and the TikTok fight has unfolded at a time of rising trade tensions between the world's two bigge