Geography of South America world by drainage area—the Amazon River and the more southerly Paraná River. The other major river of this central lowland is the Orinoco River, which has a natural channel linking it with the Amazon. Most of this central lowland is sparsely populated because the soils are heavily leached, but in the south is the very fertile pampas of Argentina—one of the world's major food-producing regions where wheat and beef cattle are pre-eminent. The natural vegetation of the northern lowlands are either savanna in the northern "llanos" and southern "campos", or tropical rainforest throughout most of the Amazon basin. Efforts to
Argentina–Uruguay relations of 1988, the sole dry limit between Argentina and Uruguay is stablished at the Martín García Island During the presidency of Jorge Batlle in Uruguay, an infidelity of a journalist carried a considerable diplomatic incident in 2002 when an off-topic commentary was aired in Uruguayan television describing Batlle saying that "'Argentinians are all thieves"'. The incident solved after one week when Batlle publicly apologized on Argentinian television. Another filtered commentary of Uruguayan president José Mujica was aired during a meeting where he said that "'with the Turk we were better but with this old lady there is no deal"' making