transport communication and trade????

Answer 1

An interacting positive spiral. Trade creates demand for transport and communication links, and good transport and communication links increase trade. One of the major differences between the largely successful development of east Asia and the largely botched development of Africa since the 1960s is the improvement in all three of these things in Asia.

You can also talk about it historically, e.g. among the Inca peoples; or around the Mediterranean in the first three millennia BC.

Answer 2

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