Behavioral revolution expanded the scope of comparative studies of non-western nations by focusing on system and function.

Systems approach by Board-Easton uneighted states in an environment, including inputs demands and outputs (decisions, policies). This explains other need of Myanmar or Vietnam who do not follow liberalized democracies. Yet these other engage in 'authority allocation of values'. Herein, as Harms notes, system approach posits western system-centric approach towards state capacity, system stability emerges in non-western nation due to state capacity for system integrity, where marginalized actions (eg case groups in India) fail to voice their grievances.