him for a year, the cost of his family during a period with a worker after the death of gamal abdel nasser anversadat, who was previously the vice president and one of nasser's old friends, took power in egypt, sadat faced important challenges for his wife's rule in those days it was difficult, but one of the most important programs what was on the agenda was trying to determine the assignment of the sinai desert, which was occupied by israel in the six-day war in 1967, in front of the sinai desert, which required crossing the suez canal to this canal before the war. six days was one of the busiest waterways for traffic between asia and europe, and it had been closed for several years due to sporadic conflicts between egypt and israel, but what made crossing the suez canal almost impossible was the cost of crossing the water itself. to the rain defense line on the eastern side of the lines that israel after the six day war to the length of 170 kilometers and as a few hundred meters across the suez canal, the fortifications using concrete, steel and stone at a height of 20 meters and 45 to 65 degrees