sentences:  Some Jewish anarchists of the 20th century explicitly combined contemporary radical thought with traditional Judaism, insisting that, in their view, Judaism calls for abolition of the state, private property and class society.These Orthodox Jewish anarchists personally observed the Halacha, but supported the social system of communist anarchism or anarcho-syndicalism.British Orthodox Rabbi Yankev-Meyer Zalkind, was an anarcho-communist, a close friend of the anarchist thinker Rudolf Rocker, and an active anti-militarist, who was jailed by the British authorities for his anti-war activism.