The Siberianintervention or Siberian expedition of 1918–1922 was the dispatch of troops of the Entente powers to the Russian Maritime Provinces as part
oppressive policies in Japanese Korea. Hara's premiership oversaw the Siberianintervention and the suppression of the March 1st Movement in Japanese-occupied
Expeditionary Force and became the formal commander of the Allied Siberianintervention. He was elevated to baron upon his retirement in 1920. Ōtani was