Although the statement that “power grows out of the barrel of a gun” was made by Chinese communist leader Mao Zedong, it’s an idea that, in one form or another, has motivated a great many people, from the members of teenage street gangs to the statesmen of major nations.
The rising spiral of world military spending provides a striking example of how highly national governments value armed forces. In 2024, the nations of the world spent a record $2.72 trillion on expanding their vast military strength, an increase of 9.4 percent from the previous year. It was the tenth year of consecutive spending increases and the steepest annual rise in military expenditures since the end of the Cold War.
This enormous investment in military might is hardly a new phenomenon. Over the broad sweep of human history, nations have armed themselves―often at great cost―in preparation for war. And an endless stream of wars has followed, resulting in the deaths of perhaps a billion people, most of them civilians. During the 20th century alone, war’s human death toll numbered 231 million.
Even larger numbers of people have been injured in these wars, including many who have been crippled, blinded, hideously burned, or driven mad. In fact, the number of people who have been wounded in war is at least twice the number killed and has sometimes soared to 13 times that number.
War has produced other calamities, as well. The Russian military invasion of Ukraine, for example, has led to the displacement of a third of that nation’s population. In addition, war has caused immense material damage. Entire cities and, sometimes, nations have been reduced to rubble, while even victorious countries sometimes found themselves bankrupted by war’s immense financial costs, Often, wars have brought long-lasting environmental damage, leading to birth defects and other severe health consequences, as the people of Hiroshima, Nagasaki, Vietnam, and the Middle East can attest.
Even when national military forces were not engaged in waging foreign wars, they often produced very undesirable results. The annals of history are filled with incidents of military officers who have used their armies to stage coups and establish brutal dictatorships in their own countries. Furthermore, the possession of military might has often emboldened national leaders to intimidate weaker nations or to embark upon imperial conquest. It’s no accident that nations with the most powerful military forces (“the great powers”) are particularly prone to war-making.
Moreover, prioritizing the military has deprived other sectors of society of substantial resources. Money that could have gone into programs for education, healthcare, food stamps, and other social programs has been channeled instead into unprecedented levels of spending to enhance military might.
It’s a sorry record for what passes as world civilization―one that will surely grow far worse, or perhaps terminate human existence, with the onset of a nuclear war.
Of course, advocates of military power argue that, in a dangerous world, there is a necessity for deterring a military attack upon their nations. And that is surely a valid concern.
But does military might really meet the need for national security? In addition to the problems spawned by massive military forces, it’s not clear that these forces are doing a good job of deterring foreign attack. After all, every year government officials say that their countries are facing greater danger than ever before. And they are right about this. The world is becoming a more dangerous place. A major reason is that the military might sought by one nation for its national security is regarded by other nations as endangering their national security. The result is an arms race and, frequently, war.
Fortunately, though, there are alternatives to the endless process of military buildups and wars.
The most promising among them is the establishment of international security. This could be accomplished through the development of international treaties and the strengthening of international institutions.
Treaties, of course, can establish rules for international behavior by nations while, at the same time, resolving key problems among them (for example, the location of national boundaries) and setting policies that are of benefit to all (for example, reducing greenhouse gases in the atmosphere). Through arms control and disarmament agreements they can also address military dangers. For example, in place of the arms race, they could sponsor a peace race, in which each nation would reduce its military spending by 10 per cent per year. Or nations could sign and ratify (as many have already done) the Treaty on the Prohibition of Nuclear Weapons, which would end the menace of nuclear annihilation.
International institutions can also play a significant role in reducing international conflict and, thus, the resort to military action. The United Nations, established in 1945, is tasked with maintaining international peace and security, while the International Court of Justice was established to settle legal disputes among nations and the International Criminal Court to investigate and, where justified, try individuals for genocide, war crimes, crimes against humanity, and the crime of aggression.
Unfortunately, these international organizations are not fully able to accomplish their important tasks―largely because many nations prefer to rely upon their own military might and because some nations (particularly the United States, Russia, and Israel) are enraged that these organizations have criticized their conduct in world affairs. Even so, international organizations have enormous potential and, if strengthened, could play a vital role in creating a less violent world.
Rather than continuing to pour the wealth of nations into the failing system of national military power, how about bolstering these global instruments for attaining international security and peace?
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Lawrence S. Wittner (https://www.lawrenceswittner.com/ ) is Professor of History Emeritus at SUNY/Albany and the author of Confronting the Bomb (Stanford University Press).
