The Trading with the Enemy Act of 1917 (40 Stat. 411, enacted 6 October 1917, codified at 12 U.S.C. §§ 95a–95b and 50 U.S.C. App. §§ 1—44), sometimes abbreviated as TWEA, is a United States federal law to restrict trade with countries hostile to the United States. (…)

As of 2008, Cuba is the only country restricted under the act. North Korea is the most recent country to have the restrictions lifted.