Kahane, a major violent hate group leader, founded the Jewish Defense League, seen by the FBI as the most active and dangerous terrorist group in the United States in the 1970s and 1980s. He also founded the party Kach, which has many affiliates, including Kahane Chai, which was listed as a terrorist group by the US government. Kahanists are alleged to have been behind the murder by pipe bomb of Arab-American activist Alex Odeh in 1985. In 1994, Kach member Baruch Goldstein shot and killed 29 Palestinians at the Cave of the Patriarchs at the Ibrahimi Mosque in Hebron. Thereafter the party and its affiliates were banned in Israel and parties that had racism as their basis were not allowed in Parliament.

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