african american african american vernacular english american colonization society atlantic ocean christianity colorism condoleezza rice daniel bashiel warner edward james roye edward wilmot blyden ellen johnson-sirleaf hegemony history of liberia james skivring smith joseph jenkins roberts liberia liberian english liberian nationality law masonic order of liberia monrovia president of liberia samuel doe sierra leone sierra leone creole people stephen allen benson syncretism true whig party united states west africa