But with greater connectivity comes disruption, and it is important for countries to help their businesses and workers adjust to the new reality, he said.
"In the 1920s, we didn't make a wise choice and ended up with the Great Depression, when countries and economies were fragmented." Mr Chan encouraged his young audience to have courage and leadership to build bridges and realise the benefits of a globally integrated system. Participants from 27 schools in the Asia Pacific, South Africa, Britain and the US are here until Friday.
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