Answer:
c. the social structure of society
Step-by-step explanation:
The fourth industrial revolution carries several prerequisites for social stratification. The emergence of robotic solutions to many problems will lead to a decrease in the value of low- and medium-skilled labor. This can undermine the material wealth of the large middle class, which limits the ability of its representatives to invest in their own human capital. Without the development of human capital, insurmountable barriers are created for a person to enter the market of highly skilled labor, as a result of which his work continues to be poorly paid, and a person is deprived of the opportunity to fix it. On the other hand, the depreciation of low-skilled human labor leads to the loss by developing countries of the advantages of cheap labor and opportunities for catch-up development. This reinforces the stratification in wealth between countries.