Answer:b. social structures
Explanation:Social structure are arranged patterns of social institutions and institutionalised relationships that make up society.
Social structure is made up of both social interactions and it also defines it actions.
On the macro scale, social structure refers to classifications of society according to socioeconomic classes, social institutions, and relationships that exist with large social groups.
On the meso scale, it is a social network structure that exist between individuals and organizations.
On the micro scale,it is a norm that guides individuals behavior within the society system.