The a seminomadic group, are herder-warriors of the east african plains.
a. maasai
b. san bushmen
c. ga
d. zulu

I choose letter a.  The Maasai.  They settled in East Africa during the mid-19th Century.  They were known for raising cattle as well being formidable warriors who were armed with shield and spear as well as throwing clubs. Even today they still continue their nomadic way of life.

answer; /// (a) and (b) ; /// but i believe the correct answer is ; /apart from fines and jail time, driving under the influence puts the life of the driver and everyone else on the road at risk; (b)

answer; the best answer is (demand);