thE pAssAgE suggEsts thAt thE spirAling DEClinE oF BlACk nEighBorhooDs CAn BE BlAmED primArily upon
A．A lACk oF politiCAl will within unDErprivilEgED CommunitiEs to CountEr thE EConomiC EFFECts oF sEgrEgAtion
B．thE DiminishED signiFiCAnCE oF urBAn BlACk nEighBorhooDs As EConomiC AnD rEsiDEntiAl CEntErs rElAtivEly to othEr ArEAs oF thE City
C．thE tEnDEnCy oF poor BlACks to livE Among othEr poor minoritiEs, unlikE poor whitEs, who livE DispErsED Among riCh whitEs
D．thE uniquEnEss oF thE gEogrAphiC pAttErn in whiCh BlACk CommunitiEs hAvE DEvElopED in AmEriCA, rElAtivE to othEr CommunitiEs
E．(E) A lACk oF rEsourCEs within thE urBAn BlACk AmEriCAn CommunitiEs to rEsist thE ForCEs whiCh lEAD to sEgrEgAtion