I believe it is shifting cultivation
They draw attention to the opinion that the United States is not doing enough to help these children.
One is environmental: that a combination of overgrazing and drought caused the soil on the Zimbabwe Plateau to become exhausted. ... The other explanation is that the people of Great Zimbabwe had to move in order to maximise their exploitation of the gold trade network. By 1500 the site of Great Zimbabwe was abandoned
Answer: (middle point, intersection)
RIGHT
Explanation: