# Middle Powers Adopt Secondary Sanctions

Mid-sized states keep copying the great-power method of sanctioning third-party suppliers and financiers to contest resource projects, which raises legal and supply-chain risk for contractors operating in disputed areas.

- Conviction: 40 / 100 (forming)
- Horizon: Emerging (watchlist)
- Tracking since: 2026-10-25T00:00:00.000Z
- Last updated: 2026-10-25T06:37:07.367Z
- Canonical: https://polylog.news/trends/secondary-sanctions-proliferate
- Publisher: Polylog
- Affected regions: Global

## Recent evidence

- [confirms] Burnham raises Argentina's campaign against the Sea Lion oil project with Trump (2026-10-25): Halliburton has declined to work on the Sea Lion field north of the Falklands, and operator Navitas has replaced two contractors, as Buenos Aires prepares sanctions on suppliers and financiers. A middle power's threat of secondary sanctions is already changing contractors' behaviour before any sanctions take effect.