The government doesn't make tanks, it just shells out gigantic amounts to companies to make them.
That said, there are plenty of successful government actions across the world, where Europe or Japan probably have a good advantage with solid public services. Think streets, healthcare, energy infrastructure, water infrastructure, rail, ...
That said, there are plenty of successful government actions across the world, where Europe or Japan probably have a good advantage with solid public services. Think streets, healthcare, energy infrastructure, water infrastructure, rail, ...