Weapon of Mass destruction ( WMD): nuclear, chemical and biological weapons.
First Strike capability: A country's ability to defeat another nuclear power by destroying its arsenal to the point where the attacking country can survive the weakened retaliation.
First strike strategy : An attack intended to destroy (largely or entirely) a state's nuclear weapon before they can be used. In nuclear stragey, its a preemtive surprise attack employing overwhelming force.
Mutually assured destruction ( MAD) : The possession of second-strike capabilities by both sides.
Arm race: Even if a state is truly arming for defensive purposes, it is rational in a self-help system for opponents to assume the worst and keep pace in any arm build up .
Groupthink: Tendency for group to reach decisions without accurately assessing their consequences since individuals tends to go along with ideas they think other supports.
States: A legal abstraction to control a territorial area and the poeple who reside in the territory, with sovereignty that gives it the supreme power internally and equal status externally.
MNC: Business enterprises organized in one society with activities in other growing out of direct investment abroad.
Terrorist groups: Subnational or transnational nonstate actors that aim at securing religious, political or economic goals by the threat of violence.