The correct answer is the Great Zimbabwe. The great Zimbabwe
is known as the medieval city located in the south eastern hills of the Zimbabwe
by which is known for its way of living by means of farming, mines and trading
golds.
Since there is no background information, I would assume they could be going on strike.
There were three bodies of government, the assembly, the council 500, and the courts. The U.S. government has the executive, legislative, and judicial branch.
Citizens could vote. In the US, American citizens can vote.
The government is a democracy because it's ruled by the people. The US government is ruled by the people therefore it is a democracy
If the question is asking you all except which, the answer is "people fled the urban centers because they had become too crowded and unsanitary"