The Egyptian Military had begun pressuring the British to end their military presence in the canal zone.
Get out of here!
Nasser ordered the Suez Canal seized and nationalized.
No one shall pass!!
The Israelis struck first, followed two days later by the British and French military.
British and French took control of the Suez Canal. The Soviets supplied arms from Czechoslovakia to the Egyptian Government, constructed the Aswan Dam after the US refused. Krushchev threatened the British, French and Israeli if they didn't withdraw.
Withdraw or you will feel the wrath of our nuclear missiles!!
Eisenhower issued a warning to the British, French and Israeli to give up their campaign and withdraw.
You are to leave or there will be economic sanctions.
The French and British withdrew in December. Israel finally bowed to the US pressure in March 1957.