https://en.wikipedia.org/wiki/Mutual_Defense_Treaty_(United_States%E2%80%93Philippines)
and
https://avalon.law.yale.edu/20th_century/phil001.asp
I wasn’t using the word protectorate in a legal sense. It is the way the US views and treats the world. Europe, South Korea, Japan are other examples. They are all quite capable of sending their own tax dollars on defending themselves, but instead we spend our tax dollars to defend them. It is military welfare.