Based on the map of global free trade zones, the true statement is: D. the nations of South America have a high level of interdependence.
What is a free trade zone?
A free trade zone can be defined as a designated economic location within a geographical region where any business firm may import, store, use, manufacture, reconfigure and re-export goods without any form of trade barrier and bureaucratic bottlenecks, especially based on a free trade policy.
From the map, we can deduce that the nations of South America (orange part) belong to ALADI, which is a Latin American integration association that was established in 1980 to encourage co-operation and integration of goods, raw materials and services among its members subcontinent.
In conclusion, the nations of South America have a high level of interdependence due to the establishment of a free trade zone.
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