The JBS does a good job of concealing its actual (and batshit crazy) beliefs. I have a rare copy of The Hidden Hand, which was virtually the Bible of JBS conspiracism in the 1960s.
According to this, the international monetary (ie Jewish) conspiracy goes all the way back to the 18th century and the various Masonic plots to overthrow the traditional systems of European monarchy. This, in turn, is an extension of an even older effort whose ultimate objective is the destruction of Christianity. The Enlightenment, the American Revolution, communism, fascism, and secularism are all aspects of this centuries-old conspiracy.