Revisionist Zionism is an outgrowth of Herzl's Political Zionism, augmented by the ideas of Vladimir (Ze'ev) Jabotinsky. In 1925, Jabotinsky established the Revisionist Zionist Alliance, which advocated a revision, i.e., reexamination, of the principles of Political Zionism. The party's principal aim was to change Chaim Weizmann's moderate policies toward the British Mandatory regime.
The declared goals of Revisionist ideology included relentless pressure on Great Britain, including petitions and mass demonstrations, for Jewish statehood on both banks of the Jordan River; a Jewish majority in Palestine; a reestablishment of the Jewish regiments; and military training for youth.
The Revisionists waged a heated debate in the Zionist Organization [ZO] concerning the immediate and public stipulation of the final aim of Zionism. When their approach was rejected, they seceded from the ZO (1935) and established the New Zionist Organization. They returned to the ZO in 1946, explaining that this became possible after the Biltmore Program had proclaimed the establishment of a Jewish commonwealth in Palestine as the goal of Zionism.
The National Military Organization (Etzel [the Irgun]) and some members of the Jewish Freedom Fighters (Lehi) came from the ranks of the Revisionists. After the State of Israel was established, the Revisionist Zionist Organization merged with the Etzel-founded Herut movement to form the Herut party, a component of the Likud, one of Israel's two main political parties.