Final answer:
The information in the Vedas about the duties of different social groups is most related to how ancient Indians organized their society into a hierarchy of varnas, or classes, that described their social structure.
Step-by-step explanation:
The ancient Indians wrote the Vedas, a set of sacred texts, over hundreds of years. Within these texts, the duties of different social groups are outlined, which is most related to how ancient people organized society. The Vedas describe a hierarchical social structure known as the varna system, which divided society into four main categories: Brahmins (priests), Kshatriyas (warriors), Vaishyas (merchants and farmers), and Shudras (servants). This system played a fundamental role in organizing ancient Indian society and is reflected in the division into various classes or castes, each with its own set of duties and responsibilities.