Reciprocity is

a.
when two or more people or groups oppose each other to achieve a goal that only one can attain.
b.
the idea that if you do something for someone then that person owes you something in return.
c.
the deliberate attempt to control a person by force.
d.
the state of balance between conflict and cooperation.

1 answer

The correct answer is:
b. the idea that if you do something for someone then that person owes you something in return.