The theoretical approach in sociology that assumes society is a complex system whose parts work together to promote solidarity and stability is

The correct answer would be Functionalist Perspective.

Explanation:

The functionalist perspective of sociology is a perspective in which the society is seen as a complex system. In this system, the different parts or departments, work together to bring prosperity, stability and solidarity in the society.

According to this approach, the society is seen in a broader perspective. The macro level orientation concentrates on the social structures which make and shape the whole society.

The society's aspects are considered interdependent which work together to contribute in the stability and firmness of the society. For example, the government of a country provides health care, education, etc to the citizens of the country, and in turn the citizens pay taxes to keep the circle going. In this way, the whole society's aspects are interdependent.

answer; deviation iq; //(a)