Question

the dyes prpduced by woad wad dull and pale whereas indigo produced a rich blue colour fill in the blanks

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Answer 1

The tropical climate is good for indigo plantation. By the thirteenth century, Indian indigo was being used in Italy, France and Britain. But the price of indigo was very high and hence a small amount of Indian indigo could reach the European market.

Woad is another plant which is used for making violet and blue dyes. Wood is a plant of temperate zones and hence was easily available in Europe. Woad was grown in northern Italy, southern France and in parts of Germany and Britain. The woad producers in Europe were worried by the competition from indigo and hence pressurized their governments to ban the import of indigo.

But indigo was preferred by the cloth dyers. While indigo produced a rich blue colour, woad produced pale and dull blue. By the seventeenth century, European cloth producers pressurized their governments to relax the ban on indigo import.