Q 1.

With reference to the Russia–Ukraine conflict and international relations, consider the following statements:

1. NATO is a collective-defence alliance.
2. Article 5 of the North Atlantic Treaty provides for collective defence in response to an armed attack against a member.
3. A ceasefire and a comprehensive peace agreement necessarily have the same legal and political scope.
4. The UN Charter recognises the sovereign equality of states.

Which of the statements given above are correct?