Answer:
4. Rigid Class Structure
Explanation:
A feudal society has ranks, such as peasants, merchants, knights, and kings. Feudal societies were often replaced by industrialization, and did not experience rapid social change. In addition, most people below merchants could not read, which was the majority of people, contributing to a low literacy rate. However, feudal societies did have extremely rigid class structure that deemed rights as appropriate due to people's classes.
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