To control unruly population, bolsheviks used to use more efficient methods. > The Bolshevik forces used chemical weapons "from end of June 1921 until apparent

To control unruly population, bolsheviks used to use more efficient methods. > The Bolshevik forces used chemical weapons "from end of June 1921 until apparently the fall of 1921", by direct order from the leadership of Red Army and from the Communist Party. https://en.wikipedia.org/wiki/Tambov_Rebellion https://en.wikipedia.org/wiki/Tambov_Rebellion