Question

(v) Why do you think the series of fortifications were built across the northern borders of
ancient Chinese states and Imperial China?
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Answer 1

Answer:

The Great Wall of China is a series of fortifications that were built across the historical northern borders of ancient Chinese states and Imperial China as protection against various nomadic groups from the Eurasian Steppe.

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Explanation:

Answer 2

The Great Wall of China is a series of fortifications that were built across the historical northern borders of ancient Chinese states and Imperial China as protection against various nomadic groups from the Eurasian Steppe.