Free thinkers and revisionist historians have been engaged in what is called "Power Elite Analysis" for decades if not centuries.
Murray Rothbard, Mr. Libertarian was all over the FED and Wall Street's influence on foreign policy.
Ron Paul was a follower of Rothbard.
This essay is critical because it names names and shows how the cabal influences politics.
https://mises.org/library/wall-street-banks-and-american-foreign-policy-0
www.mises.org and www.lewrockwell.com are excellent sources for this information.
We are not alone. Many have come before us.