: Analysis often relied on realist theories, viewing international politics as a struggle for power in an anarchic system. 2. Widening and Deepening the Field
: Research primarily centered on the state as the main actor and the preservation of national sovereignty. International and Security Studies Internationa...
Since the 1990s, scholars have expanded the definition of security beyond military force, a process often called "widening" (new sectors) and "deepening" (new levels). : Analysis often relied on realist theories, viewing
: Research now includes economic stability, energy security, and environmental threats like climate change. and conventional military threats. Historically
: Core topics included nuclear deterrence, bipolarity, and conventional military threats.
Historically, the field was dominated by during the Cold War.