<h1>Nvidia chip sales to China prompt national security warnings and debate over export controls and trade policy consequences</h1> The text reports a policy decision authorising sale of an advanced Nvidia AI chip to China and frames the dominant legal concern as export control and national security risk from technology transfers; the CEO equates the policy trade-off to proliferation, arguing it creates systemic risk and may prompt calls for stricter export controlsthis is the operative effect. Related international law and trade-policy issues arise from geopolitical tensions, including tariff threats and sovereignty claims over Greenland, which operate as diplomatic leverage affecting trade relations and may influence enforcement of trade restrictions.