<prompt> Translate the following text to EnglishWanasayansi wa kijamii wa kiliberali walikubaliana na nadharia ya Elkins kama msingi wa kuunda sera za kuvunja vizuizi vilivyokuwa vikizuia maendeleo ya weusi katika miaka ya 1960.  <response>: Liberal social scientists latched onto Elkins theory as a rationale for creating policies to tear down the barriers that were impeding black advancement in the 1960s. 