context: A statement of 28 February 1922 is a statement unilaterally declared by Britain in London and Cairo on this date. [1] [2] In it, it announced the end of the British protection against Egypt, and that Egypt was "an independent and sovereign state", but Britain reserved the right to secure the transportation of its empire in Egypt, and its right to defend it against any foreign aggression or interference, and to protect foreign interests and minorities in it, and to keep the situation in Sudan for what It is. Accordingly, the Egyptian Sultanate turned into the Egyptian Kingdom.
question: What is the statement of February 28, 1922?
answers.text: statement unilaterally declared by Britain in London and Cairo on this date