If only we didn't have a metric boatload of Russian interference and sabotage in our countries that constantly blocks any efforts to get free from their dependence.
Even today money flows from US allies including NATO member states into Russia to buy gas rather than into the military and defense systems that might have prevented the bloodbath in Ukraine.
https://www.brookings.edu/articles/merkels-lack-of-regrets-i...
https://www.politico.com/story/2018/07/11/trump-germany-russ...
https://www.atlanticcouncil.org/blogs/new-atlanticist/the-tr...