https://www.mckinsey.com/mgi/our-research/geopolitics-and-the-geometry-of-global-trade
https://www.euronews.com/2019/10/19/european-countries-halted-arm-exports-to-turkey-but-why-haven-t-they-done-the-same-for-sau
https://cepr.org/voxeu/columns/eus-strategic-dependencies-unveiled