I believe it would be A. but i am not sure. You've got me thinking!
Northern Africa is mostly desert, and it is extreamly hard to trade w/ the rest of Africa
A dog tag is a military identification "badge" basically a piece of aluminium shaped like an oval with your basic information engraved into it that you were around your neck the children wore the because in the 50s there fathers were probably in ww2 and they wore them as a fashion/patriot thing i hope this helps its supper hard to explain...
Answer:
they did everything alone, or with the tribe they were in. other tribes traded with them, but some tribes didnt like them.
Explanation:
