I'd guess, for a large example, military spending. It's not the only one, but that's one huge investor that drives many others. In the US, or China, you have

I'd guess, for a large example, military spending. It's not the only one, but that's one huge investor that drives many others. In the US, or China, you have one _huge_ budget, compared to what can be compared in terms of integration across european countries (each with their own politics, armies, capabilities, budgets, priorities; even if they do integrate & collaborate with each other).