We are also great in arts and science and freedom , but being militarily powerfull allows us to make our choices for ourselves and so facilitates our freedom to become great in any respect we care to.
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If we were really all that great in science, we would not have to import over half our scientists and engineers.
In the Arts, we obviously excel at film, especially in the technical aspect. In terms of content, we make some pretty dumb crap.
We used to be better at freedom. Now everything we write on the internet, everything we say on the telephone can be monitored without our knowledge and with impunity. Try to fight for your right to take a bottle of shampoo on a plane and see just how free you are. Apparently, we are not free to board a plane if we wear a t-shirt with a cartoon picture of a gun on it. We are free to protest our president's stupidity and incompetence from a cage that is not within his hearing distance.
Our military costs far too much, and deprives us of money that could be used for things we really need, like medicine, housing and even food. Or do you really think we need the Osprey for defense? It seems better suited to killing our own Marines.