sentences:  It was this time of military conflict that opened the door for the northerly expansion of Oromos, and thus began the assimilation of conquered populations, such as the Worji.It is based on this historical tale that some members classify themselves as a separate ethnicity.Nonetheless, there is no doubt that over centuries of living in Oromiyaa, the Worji have well assimilated among the Oromo, with no cultural distinction evident between the two.