Neville Dyson-Hudson documented how this trait is the basis for the Karimojong people’s asapan system, which divides into groups that wear red and yellow ornaments. Groupings based on this trait called luba form an 11-tiered system that centers on the eponymous gadaa grade in the indigenous governance of the Oromo. Anthropologists contrast societies (15[1])that feature a “grade” of this trait with ones where individuals are part of the “set” containing their (*) coevals. Individuals who approximately share this trait (10[1])have their foreheads cut with six horizontal lines (10[1])in the Nuer scarification practice of gaar. Ibutho regiments were composed of men who shared this trait as part of Shaka Zulu’s military reforms. For 10 points, the numerical increase in what (10[1])trait (10[2])may be marked by ceremonies (10[1])like (10[1])the (10[1])emuratta (10[1])circumcision among the Maasai? ■END■