How many examples are there "as evidence of tribalism"

A．Sharing among members of the extended family.
B．Giving a job to a fellow tribesman.
C．A force that can be both good and bad.
D．People have the same religious belie

A．"a force that can be both good and bad"
B．"very strong loyalty to one's ethnic group"
C．"tribal loyalty may mean a quick promotion"
D．it is important to be loyal to one's own tribal group