Answer:
Answer Below!!!
Explanation:
There would have been more Sea Trade.
Hope I Helped!!!!
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I'm pretty sure it was just A but I could be wrong.
The Qin dynasty was the first dynasty to start connecting the various walls into a greater whole. That happened around 221 to 206 BC and was done under the reign of Qin Shi Huang. Though the wall was later improved still by other dynasties, it was during the Qin dynasty that the Great Wall of China was first formed into a cohesive structure.
