If any national unity simultaneously. Nation that has a strong fighting force. If other nations are fighting the invaders were able to help them maintain independence.
If there are any national unity with the national energetic just fight each other; If there is another national aggression, as well as the freedom to maintain combat power.
If there are any other nation with the United Nations, it has only one strong force against other nations, and if there is aggression, it can be included in the fight to maintain freedom.