for example , the land of west farmers supplying the american states and many other parts of the us , and indian ' s development systems have enabled that country to be un - sustainable in crop production last 1974 . in parallel , in many areas of the world floods have succeeded to remedy life - threatening problems such as poverty from lacks of economic development , famine as a result of drought , disaster from floods , and continued disease from lack of piped water supplies .
Dam building prevents life-threatening situations.