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Issue forecast

War, the arms trade and the case for a regulated weapons industry

The arms trade has been quiet in the paper since 2020, but the world it describes has not. Global military spending hit a record in 2025 and Europe is rearming fast, which is exactly when a dormant question wakes up.

Theme · Politics & GovernanceLast set at A-Level · 2020 (on whether the arms trade can be justified given the need for international cooperation)Foresight, not a prediction
In short

An arms-trade question rewards a student who refuses the easy moral verdict. The weapons business plainly fuels killing, and yet a state with no means to defend itself is a state at the mercy of one that does. Argue the tension between moral cost and the hard logic of deterrence, and anchor it in a world that is visibly rearming.

Why this could come up now

This is one of the bank's better sleepers. Security and conflict surfaced in 2016 on whether countries in conflict should be left to sort out their own problems, in 2018 on the shared responsibility to counter terrorism, and last in 2020 on the arms trade itself. Five years on, the angle is overdue.

The news has made it impossible to ignore. World military spending reached a record in 2025, the eleventh straight annual rise, and Europe's arms imports have more than trebled in five years. When the real world is rearming on this scale, an examiner reading the paper has a live, dateable issue in front of them.

We flag this as foresight, not a forecast of wording. No one knows what the examiners will set. What we can say is that war, security and the arms trade are back in the headlines after a quiet stretch, and a quiet stretch is often when a question returns.

201420162018202020222025

set at A-Level most recent appearance. Clustered around the late 2010s, then five years quiet. A genuine sleeper, and the world has rearmed since.

What an essay on this would test

These questions test whether you can hold a hard moral fact and a hard strategic fact at once. The arms trade profits from war, and a defenceless state invites the very aggression it fears. A script that only condemns the trade, or only defends deterrence, has answered half the question.

They also test whether you can reason about the world as it is, not as it should be. An examiner wants argument about a system in which most states arm because their neighbours do, not a wish that no one armed at all.

Operative angles
  • justified: not whether the arms trade is pleasant, but whether it can be defended on balance, which is a higher bar than mere disapproval
  • international cooperation: arms control treaties and the gap between what states sign and what they sell
  • security versus complicity: the line between arming for self-defence and arming a regime that will misuse the weapons

How to answer it: two ways in

Two distinct, defensible routes through the question. A strong script commits to one and uses the other as the concession it answers, rather than sitting on the fence.

Moral cost

A trade that profits from killing

The arms industry has a commercial stake in conflict, sells to regimes that abuse the weapons, and diverts vast resources from human need, which is hard to square with any claim that it serves peace.

  • An industry that earns more when tensions rise has an incentive structure pointed the wrong way.
  • Weapons sold for self-defence are routinely turned on civilians, and the seller rarely controls the end use.
  • The sums are enormous: money spent on arms is money not spent on health, schooling or development.
Worked exampleWorld military spending reached a record US$2.89 trillion in 2025, the eleventh consecutive annual rise and about 2.5 percent of global output, a scale of resource committed to arms rather than to human need that any defence of the trade has to answer (SIPRI, as of 2026-06).
Strategic necessity

Deterrence is the price of survival

In a world of real aggressors, a state that cannot defend itself is at the mercy of one that can, so a regulated arms industry is a grim necessity rather than a simple evil.

  • Deterrence keeps the peace at the margin: a credibly armed state is a less tempting target.
  • When a neighbour rearms, doing nothing is not neutral; it is a unilateral disadvantage.
  • Regulation, not abolition, is the realistic goal: export controls and end-use rules can curb the worst sales without leaving the law-abiding defenceless.
Worked exampleFaced with the war in Ukraine and doubt over US commitment, European states more than trebled their arms imports between 2016-2020 and 2021-2025, treating rearmament not as aggression but as deterrence against a real threat (SIPRI arms-transfers data, as of 2026-06).

The fuel: stats, facts and examples

US$2.89tn
world military spending in 2025, a record and the 11th straight annual rise
Source: SIPRI, Trends in World Military Expenditure 2025 · as of 2026-06
51%
share of world military spending by the top three, the US, China and Russia, in 2025
Source: SIPRI, April 2026 · as of 2026-06
+210%
rise in Europe's arms imports between 2016-2020 and 2021-2025, more than trebling
Source: SIPRI, Trends in International Arms Transfers 2025 · as of 2026-06
over US$1tn
US defence spending for fiscal 2026, the first time it has crossed a trillion dollars
Source: US defence appropriations, reported by Arms Control Association · as of 2026-06
United States33%
China and Russia18%
Rest of world49%

Source: SIPRI, April 2026 (US share and top-three share verified; remainder derived), as of 2026-06

Facts worth deploying

01

Military spending as a share of global GDP reached about 2.5 percent in 2025, its highest level since 2009, so the world is not just spending more in absolute terms but devoting a larger slice of its output to arms.Source: SIPRI, as of 2026-06

02

Ukraine was the world's largest recipient of major arms in 2021-2025, taking about 9.7 percent of all imports, up from 0.1 percent in the previous five years, a vivid measure of how fast a single war reshapes the trade.Source: SIPRI arms-transfers data, as of 2026-06

03

The arms-control framework exists on paper, including the Arms Trade Treaty, but states routinely sell to buyers a strict reading of those rules would exclude, which is the gap an essay can press on.Source: general arms-control record, as of 2026-06

The arms trade profits from fear. The trouble is that the fear is often real, and a defenceless state is not a moral one. It is a target.The tension the question turns on
FAQ
Is this a history essay about specific wars?
No. You can use a current conflict to ground a point, but a GP answer argues about the arms trade as a system: whether it can be justified, who profits, who is endangered. Reach for a war as evidence, then return to the principle the question actually asks about.
Can I argue the arms trade should simply be banned?
You can argue it, but you must answer the strongest objection: a world where law-abiding states disarm and aggressors do not is more dangerous, not less. The better essays argue for tighter regulation and end-use control rather than a ban that only the peaceful would obey.
How do I avoid sounding naive about deterrence?
Concede the moral cost openly. Deterrence is not a clean argument; it accepts that peace is sometimes kept by the threat of force. Show you know that, then argue why a defenceless state is still worse off. The honesty is what scores, not the toughness.
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