In a Society That Is Characterized by Age Grades

In a society that is characterized by age grades:

A) Chiefs control all of the critical material resources.
B) People follow a well-ordered progression through a series of age-related life stages.
C) Rituals are rarely necessary.
D) People who lack the necessary skills to progress to the next grade are cast out of society.
E) People are very unlikely to make significant investments in warfare.