RT @ronpatz: 1/4 How many sovereign states were there in the international system pre-1920? Well, depends on how you code it, as CR Butche…
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1/4 How many sovereign states were there in the international system pre-1920? Well, depends on how you code it, as CR Butcher & RD Griffiths showed in @II_journal (2020) with their ISD dataset(V2) compared to the Correlates of War state membership da
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RT @RyeGriffiths: It's an honor to receive this award from the folks at International Interactions!
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Congrats to Charles Butcher and @RyeGriffiths !!! Well deserved- I think this dataset is innovative and opens up many new research possibilities.