You could point to certain times in history
1913 with the Federal Reserve
1917 with the Balfour Agreement
1948 well, of course
I’m not sure the US ever really gained independence from the Crown, we had traitors and subversion from the start. Alexander Hamilton being one, bringing the bankers (Rothschilds) from Europe and their tentacles to the states.
Truthfully, most of us are nothing but slaves, we just have freedom for hours at a time.