 Through connections she formed in the union, she came to discover communism, whose growth as a movement was then in full swing in France, several years after the Tours Congress, and she founded a section of Young Communists.Her communist activity led her, in 1929, to be designated to take part in a delegation of textile workers who travelled to explore the Soviet Union.While her comrades returned to France, Jeannette Vermeersch chose to prolong her stay, remaining in Moscow for several months and working "for the cause".