The Ugly American and the Soviets struggled for preeminence in the Third World through proxies in Latin America, Africa, and Asia. In the Middle East, the US feared the spread of Communism starting in Egypt and attempted to secure the region's most populous and politically powerful country for the West by guarantees of funding for construction of the Aswan Dam but it was eventually the Soviets who prevailed. Soviet diplomatic and political successes in the Third World left the West worried about losing one country after another to Communism according to the domino theory evoked by President Dwight D. Eisenhower. It was in
Aswan Dam technicians and heavy machinery. The enormous rock and clay dam was designed by the Soviet Hydroproject Institute along with some Egyptian engineers. 25,000 Egyptian engineers and workers contributed to the construction of the dams. On the Egyptian side, the project was led by Osman Ahmed Osman's Arab Contractors. The relatively young Osman underbid his only competitor by one-half. The Aswan High Dam is long, wide at the base, wide at the crest and tall. It contains of material. At maximum, of water can pass through the dam. There are further emergency spillways for an extra , and the Toshka Canal