The United States should subsidize shale in the short term or provide minimum funding that will strategically keep enough drillers from going bankrupt that it can. It should work to shut down drills if need be but make them capable of starting right back up if prices rise.
It should also realize the fruits of alternative and efficient energy technology and invest in battery and solar technology.
All of our enemies have dropped to their knees and we haven't had to lift a finger. These types of results couldn't be achieved with hundreds of billions of dollars of military expenditures.