Question

one olden means of communication
class 3rd
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Answer 1

Answer:

Smoke signals are actually one of the oldest forms of long-distance communication. Native tribes had their own signalling systems and soldiers in Ancient China would send smoke off the Great Wall during war.

Explanation:

Answer 2

Answer:

Smoke signals

Explanation:

Smoke signals are actually one of the oldest forms of long-distance communication. Native tribes had their own signalling systems and soldiers in Ancient China would send smoke off the Great Wall during war.