Matching Pairs Trial 5Online version Trial 5 by Martin Smith 1 It’s not the first time that artisanal mining has helped develop agricultural and small-scale economies. In the 19th century, mining helped establish railroad and banking systems, 2 But that shift can come with consequences. 3 But to do that from cocoa farming would take four years. 4 Joseph Bado: if you are lucky, tomorrow you may find a rock like that, worth about 3000 US dollars: They are not comparable. that transformed the economies of countries like America, Australia and South Africa. and you can pay for a motorbike, nice clothes and a good life.