A leading example:
The support the U.S. gave to the Shah of Iran
https://en.wikipedia.org/wiki/Mohammad_Reza_Pahlavi
up until he was deposed in 1979.
Indeed, so tightly linked were the U.S. and the Shah linked in the minds of the Iranian people,
that when the Shah was overthrown,
Iranians showed their dislike for America via the Iran hostage crisis
https://en.wikipedia.org/wiki/Iran_hostage_crisis .