pros and cons of war

Discuss the pros and cons of war, cost and benefits of having a military system. https://www.alvordschools.org/cms/lib/CA01900929/Centricity/Domain/876/Cornell%20Notes%20Pros%20and%20Cons%20of%20War.pdf https://www.csis.org/analysis/us-military-spending-cost-wars https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2636235/