I think as well there's a snowball effect when you're the world's only superpower - a rich get richer equivalent for countries. For example, a brain drain to t

I think as well there's a snowball effect when you're the world's only superpower - a rich get richer equivalent for countries. For example, a brain drain to the states because it's seen as wealthy and powerful would only compound that wealth. But also if you're starting with the best technology and a lot of money, you get ahead of others faster.