Peace between the Koreas `` serves the common interests of all parties , '' an official says . Kim 's death was announced by Pyongyang on December 19 and has put the region on edge , as the world waits to see how North Korea 's succession will play out . Chinese Foreign Ministry visits U.S. for the first time as Japanese prime minister . China and China also signed energy and environmental agreements . Both countries will also use their own currencies -- not the Japan dollar -- in bilateral trade .
Peace between the Koreas `` serves the common interests of all parties , '' an official says . Chinese Foreign Ministry visits U.S. for the first time as Japanese prime minister . China and China also signed energy and environmental agreements . Both countries will also use their own currencies -- not the Japan dollar -- in bilateral trade .