what impact did the neolithic revolution have on social structures of early societies? a. job specialization led to complex social hierarchies. b. all people earned equal access to religious leadership positions c. social status became dependent on the ability to obtain food d. military service became compulsory for all males.

The correct option is B.
Neolithic revolution refers to the wide scale transition of many human cultures from the lifestyle of hunting and gathering to that of farming and settlement, thus making a larger population possible.
The larger population enhanced social relationships among the people and the people are considered to be of equal social status.