Aswan Low Dam was summoned to Egypt by the Fatimid Caliph, Al-Hakim bi-Amr Allah, to regulate the flooding of the Nile, a task requiring an early attempt at an Aswan Dam. After his field work convinced him of the impracticality of this scheme, and fearing the Caliph's anger, he feigned madness. He was kept under house arrest from 1011 until al-Hakim's death in 1021, during which time he wrote his influential "Book of Optics". Following their 1882 invasion and occupation of Egypt, the British began construction of the first dam across the Nile in 1898. Construction lasted until 1902, and it was opened
United States foreign policy in the Middle East in the country. The involvement that the U.S. would take in Egyptian business and politics in return for aid, Nasser thought "smacked of colonialism." Indeed, as political scholar B.M. Bleckman argued in 1978, "Nasser had ambivalent feelings toward the United States. From 1952 to 1954 he was on close terms with U.S. officials and was viewed in Washington as a promising moderate Arab leader. The conclusion of an arms deal with the USSR in 1955, however, had cooled the relationship between Cairo and Washington considerably, and the Dulles-Eisenhower decision to withdraw the offer to finance the Aswan High Dam in