which you should have before you said, "What did we gain versus what our adversary gained by agreeing to this?"
you would have read
"It is still not clear why no one at the FBI alerted the Obama administration to the Russian kickbacks, extortion threats and money laundering before these decisions were made. One theory is that the United States was still seeking to 'reset' its relationship with Russia and was also trying to get Putin on board with our Iran nuclear deal. But in the end, this Russian deal just wasn’t that important and had no national security ramifications." https://investorshub.advfn.com/boards/read_msg.aspx?message_id=147200084
see it as bogus. You, in your indefatigable defense of Trump, really are taking positions in conflict with all our allies, and most every other country in the world.