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The Eastern Border Region (EBR) of Paraguay (defined as the present-day administrative Departments of Amambay, Canendiyú and Alto Paraná) is one of the few remaining frontier zones suitable for intensive agricultural development in the southern cone of Latin America. Comprising 35 percent (about 5.4 million has.) of the area of eastern Paraguay, its natural resources remained largely unexploited until the mid-1960s, itself a reflection of the very poor growth performance of the Paraguayan economy throughout most of the 20th century in comparison with neighbouring countries.
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Andrew Nickson (1981) studied this question.
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