Listen to the interview and click the sentence that answers the question. The audio:Question: What is the main reason for the Aral Sea tragedy?Then people used the water in the Amu Darya and the Syr Darya for agriculture, so the water didn’t arrive at the Aral Sea.In 2005, the Kazakh government and the World Bank built a dam that separated the north and south parts of the sea.This tragedy led to unemployment and other economic problems in the region. The Aral Sea area is also heavily polluted, with serious public health problems.