The example of the Samoan matai system being used when two Samoans were killed by a policeman in Los Angeles shows
A - That primitives do not stop being primitive, even in big cities
B - That non-Western immigrants have difficulty adjusting to modern city life
C - That tribal peoples use their traditional systems to adapt to urban life
D - Some tribal systems contribute disproportionately to homelessness
E - That the "clan mentality" is excessively violent in urban settings