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  Travelers in small canoes and rafts moved between towns and trading ports along coastlines from Arabia to the Indian subcontinent.
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  Millet and sorghum — grains imported from the East African coast — were part of the cuisine of the Harappan civilization, which stretched across today’s Pakistan and northern India. The Harappan's likely received woolen textiles in exchange.
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  India produced and traded cotton textiles, replacing wool clothing worn in most countries.
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  Buddhism, Hinduism and Jainism - 600 BCE - 300 BCE
Christianity - 100 CE - 700 CE
Islam - 632 CE - 75- CE - 
  
  The dhow was a sailing vessel utilized on these trades routes to transport merchandise. When coupled with the lateen sail (c. 200 CE) it made for an efficient mode of transport.
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  Traded ceramics, glassware, wine, gold, olive oil.
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  A naval officer for Alexander the Great who led his fleet from the Indus River to the Persian Gulf.
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  India traded spices and pepper.
Persia and Egypt traded grain.
Mediterranean traded wine and oil. - 
  
  Greek explorer who traveled the monsoon wind system of the Indian Ocean bringing back cargo of precious stones and aromatics. His second trip was a failure as he disappeared on the return voyage.
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  Begun under the rule of Augustus Caesar, a period of peace in the Roman Empire allowed trade to flourish.
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  A guide to travel and trade in the Indian Ocean by a first century merchant.
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  The Han Empire and the Roman Empire suffered large-scale outbreaks of epidemic disease, likely due to contact with merchants.