China, Russia, United States, France and United Kingdom. Since 1946, these five countries have been the only permanent members of the UN Security Council, and the only ones able to block any decision through a veto. A decisive power, since this organization has the ability to establish international sanctions, and even to decide on a military intervention.
Logically, this right of veto has often been criticized, because it gives these five powers the possibility of not seeing the United Nations “meddle” in their conflicts. The latest example, on February 25, the day after the start of the war in Ukraine, a resolution demanding the withdrawal of Russian troops was blocked by Moscow.
It is probably to prevent such situations from recurring that the General Assembly of the United Nations approved by consensus, on 26