 The Tojo cabinet had attempted to block antiwar candidates from running through a registration system, notwithstanding which Abe won a Diet seat, which he used for an attempt to oust Tojo and end World War II.Abe was assisted in this effort by Takeo Miki, who became prime minister after the war.Abe died of a heart attack in January 1946 while preparing to run in the first postwar general election.