 The following year, he supported the efforts of East Timor to secure independence from Indonesia.In 2000, he was responsible for certifying Israel 's withdrawal from Lebanon, and in 2006, he led talks in New York between the presidents of Cameroon and Nigeria which led to a settlement of the dispute between the two countries over the Bakassi peninsula.Annan and Iranian President Mahmoud Ahmadinejad disagreed sharply on Iran's nuclear program, on an Iranian exhibition of cartoons mocking the Holocaust, and on the then upcoming International Conference to Review the Global Vision of the Holocaust, an Iranian Holocaust denial conference in 2006.