Final answer:
The Aswan High Dam was built to control flooding and provide hydroelectric power to Egypt. Egyptian leader Gamal Abdel Nasser concluded the Nile Waters Agreement that led to its construction.
Step-by-step explanation:
The Aswan High Dam was built to control the flooding of the Nile Valley and provide hydroelectric power to Egypt. The dam was concluded by Egyptian leader Gamal Abdel Nasser, who skillfully played the United States and the Soviet Union against each other to gain military and economic aid, with the Soviets supporting the construction of the dam.