And until very recently the US imported more than half its daily oil usage. Now it is a net exporter. The Saudis controlled the oil market. American oil from fr

And until very recently the US imported more than half its daily oil usage. Now it is a net exporter. The Saudis controlled the oil market. American oil from fracking has recently changed that, however, and gives the US a better chance of cutting ties without existential threat to its economy.