pervading　= spread through

if prices rise; if absolute shortages close businesses or black out homes—then Putin could be in a position to scoff at Joe Biden and NATO no matter what actions he takes against Ukraine.

scoff at 嘲笑う

https://www.theatlantic.com/ideas/archive/2022/01/europe-russia-energy-crisis-natural-gas-problem/621154/

rescind 止める　cancel rɪˈsɪnd

Shed new light 光を落とす