The answer is zero because <span>if you go to your mailbox then you moved 10m until you walk back to your house then you lose your displacement.</span>
Answer:
Explanation:
Between about 800 and 1200 AD, partly in response to the new currents of trade, Africans in the southern sahel developed a set of trading states with an elaborate organization.Well before 1500 AD, a number of states had come into existence, that had no connection at all with the trade across the Sahara.
plz mark as brainliest
<h2>nay nay killua nay nay killua</h2>