Answer: D, checks and balances
Explanation: took the test!
Being the oldest and most effective original telegram, beacon towers are
the most important component of the defensive project on the Great
Wall. They are built continually to pass military messages. In ancient
times, if intruders approached, soldiers on the wall would create smoke
in the daytime and light a fire at night to warn their troops.
Answer:
Battled fiercely for control of the land
Hey there,
Answer:
From what I know, it was a jumbled mess.
Hope this helps :D
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