Aswan Dam destroy the whole crop, while low-water years could create widespread drought and associated famine. Both these events had continued to occur periodically. As Egypt's population grew and technology increased, both a desire and the ability developed to completely control the flooding, and thus both protect and support farmland and its economically important cotton crop. With the greatly increased reservoir storage provided by the High Aswan Dam, the floods could be controlled and the water could be stored for later release over multiple years. The Aswan Dam was designed by the Moscow-based Hydroproject Institute. The earliest recorded attempt to build a
Aswan Dam to fund construction of the High Dam. When the Suez War broke out, the United Kingdom, France, and Israel seized the canal and the Sinai, but pressure from the U.S. and the USSR at the United Nations and elsewhere forced them to withdraw. In 1958, the USSR went ahead in providing support for the High Dam project. In the 1950s, archaeologists began raising concerns that several major historical sites, including the famous temple of Abu Simbel were about to be under water. A rescue operation began in 1960 under UNESCO (for details see below under Effects). The Soviets also provided