I am trying to locate answer to International Oil Trade-Why do we sell oil and then buy it back from someone e

I am trying to locate information about the International trade in regard to Oil-Why does the United States sell oil only to buy it back from someone else?I am trying to locate answer to International Oil Trade-Why do we sell oil and then buy it back from someone e
GREEEEED!!I am trying to locate answer to International Oil Trade-Why do we sell oil and then buy it back from someone e
$$$$$$$$$$$$$$$$ %26amp; $$$$$$$$$$$$$ %26amp; $$$$$$$$$$$$ %26amp; $$$$$$$$$$$$$$$ %26amp; more $$$$$$$$...... enough said. But, the US government isn't the party doing this.... but it is about $$$$$$$$$.