1. Consider the following statements regarding the United Nations Security Council (UNSC):
- The UNSC consists of 15 members: 10 non-permanent and 5 permanent members.
- All decisions of the UNSC require a unanimous vote.
- The five permanent members have the power to veto any substantive resolution.
- Non-permanent members are elected for a term of two years and can be immediately re-elected for another term.
Which of the above statements are correct?