Border conflicts between Israel and the Arabs continued despite provisions in the 1949 armistice agreements for peace negotiations. Hundreds of thousands of Palestinian Arabs who had left Israeli-held territory during the first war concentrated in refugee camps along Israel's frontiers and became a major source of friction when they infiltrated back to their homes or attacked Israeli border settlements. A major tension point was the Egyptian-controlled GAZA STRIP, which was used by Arab guerrillas for raids into southern Israel. Egypt's blockade of Israeli shipping in the Suez Canal and Gulf of Aqaba intensified the hostilities.
These escalating tensions converged with the SUEZ CRISIS caused by the nationalization of the Suez Canal by Egyptian president Gamal NASSER. Great Britain and France strenuously objected to Nasser's policies, and a joint military campaign was planned against Egypt with the understanding that Israel would take the initiative by seizing the Sinai Peninsula. The war began on Oct. 29, 1956, after an announcement that the armies of Egypt, Syria, and Jordan were to be integrated under the Egyptian commander in chief. Israel's Operation Kadesh, commanded by Moshe DAYAN, lasted less than a week; its forces reached the eastern bank of the Suez Canal in about 100 hours, seizing the Gaza Strip and nearly all the Sinai Peninsula. The Sinai operations were supplemented by an Anglo-French invasion of Egypt on November 5, giving the allies control of the northern sector of the Suez Canal.
The war was halted by a UN General Assembly resolution calling for an immediate ceasefire and withdrawal of all occupying forces from Egyptian territory. The General Assembly also established a United Nations Emergency Force (UNEF) to replace the allied troops on the Egyptian side of the borders in Suez, Sinai, and Gaza. By December 22 the last British and French troops had left Egypt. Israel, however, delayed withdrawal, insisting that it receive security...