 Complete the following phrase:  The Shochat family returned to Palestine around Passover, 1919, after attending the Poalei Tziyon convention in Stockholm. They both joined the Ahdut HaAvoda, a workers party led by David Ben-Gurion. At first Israel Shochat worked the land in Kfar Giladi, but soon became involved in founding the famous Work Battalion and in organizing the defence of the Galilee. In 1920 the Ahdut HaAvoda decided to replace the existing Hashomer militias with a new organisation, the Haganah, established as the paramilitary arm of the Histadrut. During the 