Question

The Great wall of China was built to protect the _________ frontier of the
empire.

Answer 1

Answer:

Northern

Explanation:

The Great wall of China was built to protect the Northern frontier of the empire.

#HopeItHelps

Answer 2

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)

Please mark me as brainliest and follow me