 Complete the following phrase:  European Jews fleeing from anti-Semitic violence especially Russian pogroms immigrated in increasing numbers to Palestine. When the British restricted Jewish immigration to the region see White Paper of 1939, Jewish immigrants began to use guerrilla warfare against the British for two purposes: to bring in more Jewish refugees, and to turn the tide of British sentiment at home. Jewish groups such as the Lehi and the Irgun  many of whom had experience in the 