Suez Crisis participated in later years, since Canada had spearheaded the idea of a neutral force). By 24 April 1957 the canal was fully reopened to shipping. Egyptian sovereignty and ownership of the canal had been confirmed by the United States and the United Nations. In retirement, Anthony Eden, the British Prime Minister at the time, maintained that the military response had prevented a much larger war in the Middle East. Israel had been expecting an Egyptian invasion in either March or April 1957, as well as a Soviet invasion of Syria. The crisis may also have hastened decolonization, as many of
Nuclear weapons and the United Kingdom weapons." Churchill stated in a 1955 speech that deterrence would be "the parents of disarmament" and that, unless Britain contributed to Western deterrence with its own weapons, during a war the targets that threatened it the most might not be prioritised. The Prime Minister, Harold Macmillan, advanced the position that nuclear weapons would give Britain influence over targeting and American policy, and would affect strategy in the Middle East and Far East. His Minister of Defence, Duncan Sandys, considered that nuclear weapons reduced Britain's dependence on the United States. The 1956 Suez Crisis demonstrated that Britain was longer a great