The history of the region’s natural resources has been one of initial (i)_____ followed by (ii)_____; as such the region has over time gone from a resource-rich to a resource-dependent economy.


The part of the sentence after the semi-colon continues the idea of the part before it. If the region has gone from resource-rich to resource-dependent economy, then the history of the region's natural resources ought to be one from initial abundance to later day scarcity. The words from the choice list are abundance and rapacious depletion.