4. Going Backwards: Cherry Picking Outdated Information
In his Việt Nam: A History from Earliest Times to the Present, Ben Kiernan argues that in the early history of Vietnam there were two important migrations of peoples into the Red River Delta.
To quote,
“By the time of the classical Chinese contact with northern Việt Nam, the early ethnolinguistic pattern there had been transformed by two external influences from the south and north, from mainland Southeast Asia and southeast China.