Answer:Around 220 B.C., Qin Shi Huang, the first emperor of a unified China under the Qin Dynasty, ordered that earlier fortifications between states be removed and a number of existing walls along the northern border be joined into a single system that would extend for more than 10,000 li (a li is about one-third of a mile)
Explanation:
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D is my guess correct me if I’m wrong
The settlers of Roanoke just disappeared and it's still a mystery.
is there any options
Answer:
The Golden Age of Greece, took place in Greece in the fith and fourth centuries B.C. This era is marked by the fall of the age of tyranny in Athens, when Peisistratus, a known tyrant, died in roughly 528 B.C. His death marked the edge of an oppressive era.
Explanation:
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