Foreign relations of the Soviet Union 1955, Secretary Dulles announced that the United States, together with Great Britain, was providing nearly $75 million in aid to Egypt to help in the construction of the Aswan Dam on the Nile River. In response to Nasser's increasing attacks on Western colonialism and imperialism and Egypt's continued alliance with the Soviet Union, Britain and the United States withdrew funds for the Aswan Dam in July 1956. That action drove Egypt further toward an alliance with the Soviet Union and was a contributing factor to the Suez Crisis later in 1956. Nasser responded to the aid cut by nationalizing the
Economy of Egypt border, behind the Aswan High Dam. Just north of Cairo, the Nile spreads out over what was once a broad estuary that has been filled by riverine deposits to form a fertile delta about wide at the seaward base and about from south to north. Before the construction of dams on the Nile, particularly the Aswan High Dam (started in 1960, completed in 1970), the fertility of the Nile Valley was sustained by the water flow and the silt deposited by the annual flood. Sediment is now obstructed by the Aswan High Dam and retained in Lake Nasser. The interruption