Was the Great Wall an effective tool for maintaining power? Why or why not?

The short yes, the Great Wall was successful in keeping semi-nomadic invaders out, which was the primary concern at the time. However, the wall did not stop some large scale invasions, and even the nomadic people were able to breach the wall from time to time.

Explanation:

(happy to help)

Kept semi-nomadic invaders out, but not invasions, so yes.

Explanation:

answer; ///i believe the correct answer is (c)///unify chinaplz check first

imperial crisis leads to civil war.

roman forces withdraw from britain as goths attack rome.

odoacer topples romulus augustus

huns attack the empire and drive german peoples ahead of them.