معنی عبارت kept oil flowing چیست؟

معنی عبارت kept oil flowing چیست؟

29 Meanwhile, the Shah of Iran, restored to power by the Americans in 1953, was consolidating an increasingly repressive regime which Washington found impossible to disavow.

Once again, a tail wagged a dog, linking the United States to an authoritarian leader whose only virtues were that he maintained order, kept oil flowing, purchased American arms, and was reliably anti-communist.

Iranians were sufficiently fed up by 1979 that they overthrew the Shah, denounced the United States for supporting him, and installed in power under the Ayatollah Ruhollah Khomeini the first radically Islamist government anywhere in the world.
از کتاب Cold War هست

سلام دوست عزیز
عبارت “kept oil flowing” در متن بالا به این معناست که شاه ایران جریان صادرات نفت رو به طور مداوم و بدون وقفه حفظ می‌کرد.