1992 Colonel Fletcher Prouty interview on his book about JFK , CIA and Vietnam (Jesuitical Cold War)

played under fair use act, here is a PDF copy of Col. Fletcher Prouty's book 'JFK: The CIA, Vietnam, and the Plot to Assassinate John F. Kennedy' : https://archive.org/details/jfk_20201011/mode/2up
pg. 66 : This movement of Catholics—or natives whom the SMM called
“Catholics”—from the northern provinces of Vietnam to the south,
under the provisions of the Geneva Agreement, became the most
important activity of the Saigon Military Mission and one of the root
causes of the Vietnam War."

PDF of Col. Prouty's book 'The Secret Team : The CIA and its Allies in Control of The United States and the World, Prentice Hall ( Englewood Cliffs, NJ) ( 1973)' : https://archive.org/details/l.-fletcher-prouty-the-secret-team-the-cia-its-allies-in-control-of-the-united-s