It's far too late for this isolationist stuff, unfortunately we live in a globalized world... I do agree with cutting off all foreign aid. Why the hell are we giving hand-outs? I sure as hell don't want my tax money going anywhere but America and our military allies if they really need it. I think we should just leave Africa alone completely. They have to solve their own problems, just as everyone else should. Want democracy? If you're not willing to fight for it yourself you're not deserving of it.
There are tons of things that money could be better spent on in America.