

Are they going to invade Russia, North Korea, Iran? That would be about the only useful exorcise to solve problems fast. Technically we can make code and servers more secure, but that will do nothing about social attacks which are a large source of the problem.
Once you get the above countries still have to make it clear your plans to invade countries like India and China are serious to get them to shape up, but there is a chance you won’t have to. You might have to invade a few countries in Africa or something though as well.
We have been investing in battery tech for centuries. It is a hard problem and there hasn’t always been a path forward. Engines are much easier, but we are near the end of where we can go with them according to the laws of physics. (too bad, liquid fuels are such a great energy dense solution)