Political scientists Julie Bunck and Michael Fowler in 2018 argued that the Pact was: an important early venture in multilateralism. ... law evolved to circumscribe the use of armed force with legal restrictions. The forcible acquisition of territory by conquest became illegitimate and individual criminal liability might attach to those who pursued it. In criminalizing war Kellogg–Briand played a role in the development of a new norm of behavior in international relations, a norm that continues to play a role in our current international order.