<h1>Use of force threats against foreign territory implicate UN Charter obligations and risk diplomatic and legal consequences.</h1> Threats or public indications of using military force or coercion to obtain control over foreign territory engage the prohibition on the use of force and state sovereignty, implicating UN Charter obligations; demands for hostage release and threats of broad retaliation raise international humanitarian law concerns. A congressional challenge to an executive decision to investigate a foreign business highlights risks of selective enforcement, extraterritorial jurisdictional issues, and diplomatic fallout from politicised regulatory actions.