Consider the following statements about the social and economic structure in Rigvedic society:

1. The term 'Dasa' in the Rigveda initially referred to groups of people who did not perform sacrifices and were often seen as adversaries of the Aryas.
2. Over time, 'Dasa' came to denote individuals who were captured and enslaved, reflecting a shift towards societal hierarchies involving slave labor.
3. The term 'Dasa' was eventually used interchangeably with 'Arya', indicating a blending of social identities

Choose the correct option: