If Vietnan and Korea is a chess match.  Korea and Vietnan just a pawns.  Korea found United State to help then fought with Vietnan. Then Vietnan found soviet union help then to fought with Korea. United State give Korea wepons ,sodier, and money. In the same way, soviet union also give Vietnan wepons, sodier and money to help Vietnan fought with Korea.  At the smae time Vietnan is divieded by two part. And soviet union and United State is queen and king.