@article{Foster_2004, title={Haldi, Stacy Bergstrom. Why Wars Widen: A Theory of Predation and Balancing.}, volume={24}, url={https://journals.lib.unb.ca/index.php/JCS/article/view/213}, number={2}, journal={Journal of Conflict Studies}, author={Foster, Dennis M.}, year={2004}, month={Jan.} }