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It was based on shipping finished goods
Answer:
The development of urban centers, script on seals, advancement of technologies and urban sanitation systems.
Explanation:
The development of urban centers, script on seals, advancement of technologies and urban sanitation systems are the features of the Indus valley civilization which make it unique in the history. They developed urban centers where people comes from surrounding areas for trade. They also used advance technology of measuring length and mass. They also formed the world's first known urban sanitation systems.
The Spinning Jenny allowed the string of cotton to be put into a thicker fiber, that could hold up to more extremes, at a faster rate.
