"Evolutionary history over the past 15, 000 to 20, 000 years involves a lot of synchronous movement, chanting, dancing -- the temporary creation of larger groups, " he says.

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The money will be used to help not-for-profit groups, hire temporary workers to help with recovery work, and to provide job training and other services to people affected by the attacks.

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Mr Ulufa'alu has resigned and the rival ethnic groups have agreed to a temporary truce.

ECONOMIST: The Pacific