Dash had great demand in european system
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Answer:
Indigo plants need a tropical climate to grow in, making India the ideal place to grow indigo.
In Europe, Indian indigo was available in limited quantities and at high prices. The European plant called woad also produces a violet and blue dye, so European producers of woad pressurised their governments to ban the import of Indian indigo so they can sell woad without competition.
But the colour from woad was not as rich as that from the Indian indigo, and woad also gave out a terrible smell. So by the 17th-century industrial revolution, European cloth makers convinced their governments to allow more imports of indigo, while France, Portugal, Spain, and North America also started growing indigo other parts of the world such as South America.