The economic foundation of a society is called its:​

A) ​infrastructure
B) ​superstructure
C) ​social structure
D) ​interstructure

The economic foundation of a society includes the physical and organizational structures, such as roads, buildings, transportation systems, communication networks, and institutions that are necessary for economic activity to take place. This infrastructure is essential for the production and distribution of goods and services, and it also shapes social relations and patterns of behavior in the society.