Which of the following might be the greatest contribution of the maritime trading routes to the world civilization?
AThe spread of silk-producing techniques.[|]Coastal cities grew up around the most frequently visited ports along these routes and became wealthy centres for the exchange of goods
B ideas
C languages and beliefs.[|]In the late 15th century
D the Portuguese explorer
E Vasco da Gama
F navigated round the Cape of Good Hope.[|]The European involvement in silk production.