Borrowing money to pay for war leads to greater social inequality and allows governments to shield the public from direct costs of war-leading to higher war support and approval ratings, and less budget oversight.
The Polish President has recently expressed a desire to increase the country's military spending and has been petitioning Washington for a permanent U.S. base and more troops. Peace Science has identified the unfortunate concessions countries often make in the name of "security".
Defense spending in the United States has skyrocketed. Research has shown the negative effect this spending can have on a country's long-term economic growth.