A little remarked consequence of the fact Australia is part of an ­interconnected world — no longer isolated by geography or tyrannised by distance — is the quantum surge in people and goods crossing our borders.

During the past decade, there has been a 60 per cent rise in international passenger movements and 34 per cent in the number of travel visas issued. Imported sea cargo has increased by 50 per cent and air cargo a staggering 450 per cent, from 6.1 million consignments in 2005-06 to 33.6 million in 2014-15.

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