Franz Boas' Research on the Height,weight and Head Size of 17,000

Franz Boas' research on the height,weight and head size of 17,000 immigrants

A) demonstrated that some migrant groups were innately inferior
B) is an example of evolutionary anthropology
C) conclusively showed that body size and shape can change quickly
D) revealed minimal change between generations,even those born in the United States
E) conclusively demonstrated that African-Americans were racially superior