Sanderson and Alderson Have Suggested That

Sanderson and Alderson have suggested that:

A) hunter-gatherers have generally had the lowest standard of living of all types of societies
B) the sharpest decline in the standard of living in human history occurred with the emergence of agrarian societies
C) there has been a steady improvement in the standard of living with technological development
D) pastoralists enjoy a higher living standard than do the members of all other types of societies