for example , the plains of southern countries feed the developing states and some other parts of the nation , and asia ' s irrigation mechanisms have enabled that state to be mutual - sufficient in food produced since 1974 . in particular , in many parts of the region dams have helped to remedy life - related concerns such as poverty from inability of economic development , famine as a result of drought , devastation from floods , and constant disease from lack of potable water supply .
Dam building prevents life-threatening situations.