Splitting into these new countries added complexities as many groups were combined and separated that had previously coexisted, including the Sunni and Shia sects of Islam
The new territories were set up under the mandate system, with the British controlling Iraq and Palestine, and the French controlling Syria and Lebanon
Israel found itself in several wars while trying to establish its place in the world, including the War of Independence, Sinai Campaign, Six-Day War, War of Attrition, and Yom Kippur War
After the high losses, Israeli intelligence was blamed for not catching the threat to Israel soon enough, and the chief of staff of the Israel Defense Forces was forced to resign
Sadat's term ended with uprisings in Egypt and his assassination in 1981, after which Hosni Mubarak ruled until the Arab Spring revolution of 2011-2012