We need to drive the price of OIL down, like Reagan did when he took office.
That is what destroyed the USSR.
That AND the military buildup.
The tipping point was SDI/Star Wars. When Gorbachev failed to convince Reagan to give it up, he knew the game was over.
Actually, there’s good analysis that the Sovs would have collapsed in the early-mid 70s if not for that big oil discovery.