What do you think that he means ? Examine the history of U.S.-North Korea relations . The U.S. and North Korean governments have been at odds for decades. Examine North Korea 's standoff with the U.S. over nuclear weapons .
Examine the history of U.S.-North Korea relations . The U.S. and North Korean governments have been at odds for decades. Examine North Korea 's standoff with the U.S. over nuclear weapons .