Union of South American Nations UNASUR, to deliberate on the application of sanctions to the affected state. Among the political and diplomatic sanctions envisaged by the Protocol, the following stand out: Visits by South American citizens to any South American independent country of up to 90 days only require an identification document issued by the traveler's country. In November 2006, Argentina, Bolivia, Brazil, Chile, Colombia, Ecuador, Guyana, Paraguay, Peru, Suriname, and Uruguay agreed to abolish visa requirements for tourists between any of those nations. Mercosur, along with its Associate members of Bolivia, Chile, Colombia and Ecuador established that their territories together form an "area of
League of Nations passed 42–1 in the Assembly in 1933 (only Japan voting against), but instead of removing its troops from China, Japan withdrew from the League. In the end, as British historian Charles Mowat argued, collective security was dead: The League failed to prevent the 1932 war between Bolivia and Paraguay over the arid Gran Chaco region. Although the region was sparsely populated, it contained the Paraguay River, which would have given either landlocked country access to the Atlantic Ocean, and there was also speculation, later proved incorrect, that the Chaco would be a rich source of petroleum. Border skirmishes throughout the