Religious freedom. they were mostly europian
1- The Terracotta Warriors
<span>2- The Beginning of the Silk Road
</span><span>3- The Great Wall of the Ming Dynasty
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Discrimination, wars, poverty
The answer is Canal. Canals are human-made channels for water movement, or to administration water transport vehicles. In the vernacular, both are alluded to as 'trenches', and as a rule, the built works will have a progression of dams and bolts that make territories of the low-speed current stream. These territories are alluded to as 'slack water levels', frequently just called 'levels'.