In 1945 the American Jewish Committee authored a book named 'J | Patriotic Talk Channel

In 1945 the American Jewish Committee authored a book named "Jews in the Post-War World".

This book blatantly has a chapter named "The need to curtail national sovereignty" ( page 79 ) which argues that gentiles having sovereignty in their own nations is bad for the Jews and that this needs to be curtailed by means of global governance organisations like The League of Nations.

The United Nations was founded at the end of of 1945 for reference. https://archive.org/details/JitPWW/page/n95/mode/2up(edited)