One would be the Great Wall of China, and another would be the Ming Tombs.
The helots were slaves and they were also mercenaries, so they fought for the Spartans, usually against Persia and Athens.
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In the 600's, Islam spread far North and East Africa through trade and the spread of the Arabic language. The expansion of the Arab Empire in the years following the Prophet Muhammad's death led to the creation of caliphates, occupying a vast geographical area and conversion to Islam was boosted by missionary activities particularly those of Imams, who easily intermingled with local populace to propagate the religious teachings.
Canberra is the only one of those cities that is not coastal.
Answer:
A subsequent theory, known as the “Kelp Highway,” came closer to the mark: As the massive ice sheets covering western North America retreated, the first humans arrived on the continent not only by foot but by boat, traveling down the Pacific shore and subsisting on abundant coastal resource
Explanation:
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