Answer:
The prime meridian, or 0 degrees longitude, and the International Date Line, 180 degrees longitude, divide the Earth into Eastern and Western hemispheres. Many geographers consider the 20 degree west line of longitude and the 160 degree east line of longitude as the Eastern and Western hemispheres.
The walls of Benin city and the other Hausa city states contribute to their development ans success because it <span>protected people and made merchants feel safe</span>
That's not the right answer
<span>Assuming that this is referring to the same list of options that was posted before with this question, <span>the correct response would be that it had "little-to-no effect" on trade, since gold and salt in fact allowed many of these kingdoms to profit greatly.</span></span>