EU is for example quite comfortable to be dependent on energy imports.
The biggest share of imports to EU by value is "mineral fuels, oils, distillation products". It's 17% of all imports.
https://tradingeconomics.com/european-union/imports-by-categ...
1) that gave Russia a lot of leverage over us, so, lessons should be learned.
2) Tech dominance is almost at 100% for large companies and governments across europe. Much higher than 17%