The Left Wing Fascist campaign? Oh, that's right, fascism is a leftist movement. I forgot, how silly of me. Begin as a Betar leader absconded to Palestine when he was needed to lead the fight. Your 1939 statement notwithstanding as soon as Begin took over the Irgun he declared war against the British - in 1943!
Turkish police fire tear gas as clashes break out during May Day protest in Istanbul (Reuters)
from the article: Book links Begin to 1952 plot to kill then-German Chancellor Adenauer