If public welfare is not part of American culture, in contrast the army is the very top priority of the national budget : the US alone accounts for one-third of the world’s military budget.

For sure, war has good sides, to the point that some character love the smell of napalm in the morning.

The war has the triple advantage of bridging a national consciousness and developing patriotic feelings, thus to forget internal problems and class conflicts, and to allow the market to find new territories to sell their product.
A People’s History of the United States, Howard Zinn

We find the same logic described by George Orwell in the futuristic society of 1984. The world is then divided into three large states, which voluntarily maintain a perpetual war to run their economy while keeping the population under control.

Paper casts on human bodies made by Matthew Deibel, veteran of the war in Iraq. Chicago Cultural Center.