försvarsallians
A försvarsallians, or defense alliance, is a pact between two or more nations to cooperate on matters of collective defense. The primary objective of such an alliance is to deter potential aggressors by presenting a united front, thereby increasing the security of all member states. The principle of collective defense is often enshrined in a treaty, with a key article stating that an attack against one member is considered an attack against all. This mutual defense commitment can take various forms, ranging from joint military exercises and intelligence sharing to the deployment of forces from allied nations to support a member under attack.
The formation of defense alliances can stem from a variety of geopolitical factors, including shared threats,