History of Dharmashastra (Ancient and Mediaeval Religious and Civil Law in India) v2.c18.38.8

v2.c18.38.8

23) 'if a kṣatriya king of excellent conduct were to conquer the Mlecchas, establish the system of four varṇas (in the Mleccha country) and assign to Mlecchas a position similar to that of cāṇḍālas in Āryāvarta, even that (Mleccha) country would be fit for the performance of sacrifices, since the earth is not by itself impure, but becomes impure through contact (of impure persons or things)'.⁴¹ As a result of the spread of Āryan culture eastwards and southwards and the frequent invasions of non-Āryan tribes on the north-west, the countries on the rivers of the Punjab came to be looked upon in the whirligig of time as unworthy of the Āryas to live in. Karṇaparva 43. 5-8 abuses those who live on the Sindhu and the five rivers of the Punjab as impure and *dharmabāhya*.⁴²