Mid to late 70s, into the early 80s. It was a bigger push in the EU than America but I remember distinctly members in my JW congregation that had to learn it in the early 80s in case they encounter a speaker while in field service.
Mid to late 70s, into the early 80s. It was a bigger push in the EU than America but I remember distinctly members in my JW congregation that had to learn it in the early 80s in case they encounter a speaker while in field service.