lifeblood

"Freedom of navigation is the lifeblood of all of our economies."

Innovation—the lifeblood of battlefield advantage—shrank to a handful of very expensive weapons.

In practice, this meant backing a quixotic bid for president by a now-forgotten opposition lawmaker, while at the same imposing a harsh set of economic sanctions on Venezuela’s oil industry, the lifeblood of the economy.

“Transparency is the lifeblood of free markets, and it’s also the lifeblood of policy reform. If you don’t have good data then you can’t have good policies,” Mr. Webb told us.

Kyiv’s theory of victory now increasingly rests on the growing power of Ukrainian long-range strikes against Russia’s oil-and-gas infrastructure, the lifeblood of Putin’s war machine.