North Korea called the U.S. "the kingpin of all kinds of terrorism who cannot even prevent terror in its own territory."
The African country's ties to Pyongyang could be holding up the removal of sanctions after 20 years.
The U.S. must follow Arab nations and take a stand against Qatar for hosting and funding terrorists.
For 37 years, the U.S. knew—and kept secret—that the Chilean leader gave the order to murder Orlando Letelier.
Syria, Iran, and Sudan are the only three countries the U.S. says still sponsor international terrorism.
Relations between Cuba and the United States have been warming up since late 2014.