Answer: During the Warring States Period, nobles stopped supporting the Zhou Dynasty (1046–221 BC), and Zhou's vassal states declared themselves independent from Zhou, becoming kingdoms or warring states. Chu became the biggest state. It controlled the southern third of the entire region of the Warring States.
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Geographers run into problems with maps because they don't know the how to solve the map problem, how they can solve the problem is by watching the stray and the lines on it so that they can notify it and it won't be a problem for them that do the maps
https://www.ecologyandsociety.org/vol15/iss3/art33
This should help you understand the question.
B. They can often include and affect other factors which can be difficult to find a solution that doesn’t leave behind a negative affect.
