Despite the trauma of war between the two nations, the United States and Vietnam have sharply expanded cooperation since the reestablishment of relations 30 years ago.
Vietnam has historic tensions with China including disputes in the South China Sea, where Beijing has increasingly exerted claims against Hanoi, the Philippines and others.
China has already invaded Vietnam in 1979, so Uncle Ho would have started spinning then
https://en.wikipedia.org/wiki/Sino-Vietnamese_War