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States
Relations among States -
The 1st Great Debate
With the establishment of liberalism after the WW1 and realism after the WW2. Ontological debate (study of being). -
Intergovernmental Organizations
Multilateral diplomacy appeard -
The 2nd Great Debate
Epistemological debate between behaviourism and traditionalism. -
Non-Governmental Organizations
Profit and Non-Profit oriented NGOs started to exist -
The 3rd Great Debate
Ontological debate between neorealism, neoliberalism, and the new approach neo-marxism -
The 4th Great Debate
With the end of the Cold war between constructivism and rationalism