Historical Approach, Political Approach, Descriptive Approach

Liberalism emphasizes a cooperative approach to international relations, focusing on the promotion of democracy, diplomacy, and international institutions to resolve conflicts and promote cooperation among nations.

traditional approach versus behaviorists

waterfall approach is basiclly used by a small compay or firm having a limited resources or limited money.

Yes, the realist approach is one of the prominent perspectives in studying international relations. Realism emphasizes the importance of power dynamics, state interests, and the competitive nature of the international system in shaping state behavior. While it has faced criticism for its focus on conflict and state-centric view, it remains a valuable framework for understanding international relations.