"Some already in power allied themselves with Hitler, including his chief ally, Benito Mussolini; Marshal Pétain (1856-1951; died in prison), the French premier who surrendered much of France to the Nazis; Pierre Laval (1883-1945; executed), former French prime minister who became leader of the Vichy government he helped the Germans establish; Marshal Ion Antonescu (1882-1946; executed), the vehemently anti-Semitic and anti-Russian conducator of Romania, who forced King Carol II to abdicate, supported the Germans on the Eastern Front, and oversaw the murder of 380,000 Jews and 10,000 Gypsies; Boris III, tsar of Bulgaria (1894-1943; possibly poisoned), who agreed to deport 13,000 Jews from recently reannexed territories though protected those in Bulgaria; Admiral Miklós Horthy (1868-1957), Regent of Hungary who collaborated with the Nazis through fear of communism, but eventually broke with Hitler; and generals Georgios Tsolakoglou (1886-1948), Konstantinos Logothetopoulos (1878-1961) and Ioannis Rallis (4878-1946), Nazi puppets in Greece."