The count
Twenty-five years ago this morning, 2,977 people were killed. 2,753 in New York, 184 at the Pentagon, 40 in a field outside Shanksville, Pennsylvania. 343 of them were firefighters, who were walking up a building while everybody else was walking down it.
That is the commemoration. It is not a runway into anything else.
What follows is the thing this programme exists to do: describe what changed, and what is still changing, as precisely as the record allows.
A third of the country has no memory of that morning
About 103 million Americans were born after that morning — more than a quarter of the country. On the wider measure, roughly 31 percent of the United States population is now under twenty-five.
So for something close to a third of the country, the eleventh of September is not a memory. It is history.
That matters for a practical reason. People who remember it tend to explain the last twenty-five years in terms of how it felt. People who do not remember it need the period explained in terms of what it built. The second explanation is the more useful one, because what it built is still running.
What people think changed, and what it cost
Airports. Wars. A security apparatus. All true, and all of it the part that is easiest to see and easiest to date.
The wars have a price tag that has been counted carefully. The Costs of War project at Brown University puts the total obligation of the post-9/11 wars at about $8 trillion — roughly $5.8 trillion in appropriations, plus a minimum of $2.2 trillion owed in care to the veterans of those wars over the decades ahead.
Inside that number is a detail worth holding. More than $1 trillion has already gone to interest, because the whole thing was funded with debt. On the project's own projection, by 2030 the United States will have spent as much servicing the debt from those wars as it spent on the operations themselves.
But the wars ended, and the airports are an inconvenience. Neither is the durable part.
The first thing that outlasted it: an instrument
Before 2001 the United States had sanctions, and had had them for decades. What it did not have in this form was a routine administrative power to reach into the global banking system and remove a specific institution from it.
The USA PATRIOT Act, passed weeks after the attacks, broadened the Bank Secrecy Act and put terrorism financing at the centre of it. Inside that act, Section 311 gave the Secretary of the Treasury the authority to find that a foreign jurisdiction, a foreign financial institution, a class of transaction or a type of account is of "primary money laundering concern," and then to require American financial institutions to take special measures against it.
Read what that actually does. It seizes nothing. It requires no court. It makes the rest of the banking system unwilling to touch you.
In a world where cross-border trade settles in US dollars, being cut off from the dollar is not a sanction in the older sense. It is closer to being unplugged.
2001 produced the power. 2004 gave it an office.
In April 2004, Treasury Secretary John Snow signed the order creating the Office of Terrorism and Financial Intelligence. Congress later wrote the office into statute at 31 U.S.C. §312.
That step is the one that gets skipped, and it is the one that matters. 2001 produced a power. 2004 gave that power a permanent home, a budget line, a leadership post and a career path.
Powers that get an office do not get handed back.
What the instrument is used for now
Look at the week just passed.
Iran has moved to formalise a maritime zone in the Gulf under which transiting vessels are placed on a sanctions list. Washington has designated, listed and struck tankers under a stated tit-for-tat doctrine. A named Canadian company was threatened directly. Canadian firms were ordered stripped from the procurement schedules that carry more than $50 billion a year in United States government purchasing. An outright import ban on Canadian alcohol, whey and larger-capacity motorcycles was signed under Section 338 of a tariff act written in 1930.
None of that is counter-terrorism. Not one item on the list. But it is the same machinery — the habit of reaching for the financial system first, of acting by designation and administrative finding rather than by treaty or tribunal, of treating access to the dollar as a lever.
That habit was built between 2001 and 2004, for reasons nearly everyone accepted at the time. It is now simply how business is done.
That is an observation, and it is worth leaving as one. This Dispatch is not telling you whether the pattern is good or bad. It is telling you the pattern is consistent: a state that discovers a capability under emergency conditions keeps it after the emergency ends, and then finds new uses for it. That is not an American characteristic. It is an institutional one. Every government does it, including mine.
The second thing: a position, not a power
In 2001 the United States produced about 5.89 million barrels of crude a day and imported heavily to cover the rest. Imports would go on to peak near 15 million barrels a day in 2005.
In 2025, American crude production hit a record of about 13.6 million barrels a day. The country has been a net petroleum exporter since 2020, and last year the gap widened to 2.8 million barrels a day — about 10.7 million exported against 7.9 million imported.
That is a different country standing in the same Gulf. A state that imports its oil and a state that exports it do not behave the same way when a chokepoint is contested. The difference is not moral. It is structural. Exposure shapes posture, and the exposure inverted over exactly the same twenty-five years.
Posture is capability plus exposure
Put the two together, because that is the whole argument.
Over one quarter century the United States acquired a financial instrument it did not previously have, and shed an energy dependency it could not previously escape. Neither was announced as a strategic turn. One was a counter-terrorism measure. The other was a drilling technique.
That is why explaining current American behaviour purely in terms of who holds office, or what was said last week, keeps producing poor forecasts. The behaviour rests on a capability set and an exposure profile that took twenty-five years to assemble and does not change with an election.
For the generation with no memory of that morning, that is the inheritance. Not the footage.
What to watch
Whether the instrument keeps widening. Every use of a designation power against a target unrelated to terrorism extends the precedent, and precedent is what these powers run on.
Whether other states finish building their counterparts. An exclusion zone that sanctions ships for transiting a strait is the same logic pointed the other way. Once two systems can unplug each other, the cost of using either goes up.
Whether the energy position holds. It is the quieter of the two, and the one that would change American behaviour fastest if it moved.
Count the years. Name the instrument. Watch what it does next.
Sources
Primary and official
- Death toll and locations — National September 11 Memorial & Museum.
- Americans born after the attacks (~103 million) — U.S. Census Bureau data via the National September 11 Memorial & Museum.
- Share of the population under 25 (31.1%) — Social Explorer analysis of the American Community Survey, 2020–24.
- Post-9/11 war costs (~$8T; $5.8T appropriations, $2.2T veterans' care) — Costs of War, Brown University.
- Interest already paid (>$1T) and the 2030 projection — Costs of War, Brown University.
- USA PATRIOT Act broadened the Bank Secrecy Act — U.S. Government Accountability Office, GAO-06-483.
- Section 311 special measures authority — U.S. Department of the Treasury, 311 Actions.
- Office of Terrorism and Financial Intelligence, established April 2004, codified — 31 U.S.C. §312.
- 2001 crude production and 2005 import peak — U.S. Energy Information Administration.
- 2025 record production (~13.6M bbl/d) — U.S. Energy Information Administration.
- Net exporter since 2020; 2025 net gap of 2.8M bbl/d — U.S. Energy Information Administration.
Press reports (this week's items — originating documents still to be traced)
- Iranian Gulf transit-sanctions zone — Iran's Supreme National Security Council via Al Jazeera and the Associated Press, 8–9 September 2026.
- Removal of Canadian-origin products from US procurement schedules — General Services Administration directive, via The Washington Times, 8 September 2026.
- Section 338 import ban effective 29 September 2026 — CBC News and CNBC, 9 September 2026.
Three of this week's items rest on press reporting rather than the originating document. They are marked as such here and are being traced to source; this page is corrected in place when they are.



