What is a swinging nation?

Mexico

Japan, USSR and Germany after if was allowed to join. Thanks :)

If one nation, or an independent piece of territory, is surrounded totally by one other it is called an enclave. If it is not an independent piece of territory, but is a part of a different country,...

because of all of the middle easterns you have the trade that grows lets say every six weeks then the trade grows even more than it should

Hallucination. It's a play on words.