Answer:
The high mountains and vast canyons in the Andes made it necessary for the Incas to develop structurally complex travel and trade routes.
Explanation:
your question is not understanding sry
Answer:If i am going to be honest i think this question should be answered by YOU it is your opinion and what you think is right or wrong :l
Mao Zedong
the Chinese civil war, not sure which war you're talking about
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