“White slavery traffic” was an expansion of the prostitution that spread throughout the world in the first years of the twentieth century, following the massive emigration to the New World and resulting from the growing poverty and misery of European women in the age of industrialization. Jewish women were particularly vulnerable in a hostile environment, and Jewish women's organizations played an active role in the international struggle against this plague.

Constance Rothschild Lady Battersea was a link between English and Jewish feminism, as she convinced upper- and middle-class Anglo-Jewish women to join English feminist groups such as the National Union of Women Workers and encouraged them to create Jewish women’s organizations, such as the Union of Jewish Women and the Jewish Association for the Protection of Girls and women, which allied themselves with the women’s movement.