As you state, that was never in any post from me. You'd have to invent what isn't there to actually think that.(This wouldn't be the first time you pretend to believe what you post.)<quoted text>
So, you are backing off your claim that Petrobas is buying BP's Gulf stake?
Tell how buying something from BP is buying American goods & services?
I have given you multiple lessons to help you improve your ability to read and comprehend the written English language. Please use that knowledge I exposed you to and explain to us the difference between "(someone) is using to buy" and "(use something) to buy".
I'll check your homework in the morning.