The largest and most important river system in South America is the Amazon. Making A your answer.
C. Gobi desert
Is located in east Asia
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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