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  The army of Romania was lead by Alexandru Marghiloman invades Hungary
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  Treaty of taru was a peace treaty that ended the Estonian war on independence.
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  Red army captures Ulan Bator the capital of Mongolia
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  Tihkon was placed under house arrest for being accused of sabotage
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  A secret letter written by 46 soviet communist to the Politburo
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  The constitution was an expansion of the Treaty on the Creation of the USSR
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  Leon Trotsky was a Russian politician who was removed as the Commissar of military and naval affairs.
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  Leon Trotsky was banned from the highest policy making under the government authority under the communist party
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  Zinoview was a Soviet Communist who was banned from the Communist Party
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  The soviet economy changed a lot once state industrialization came into the picture
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  Bukharian was a soviet politician who was kicked out of the Politburo.
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  The gulag was a government in charge of the soviet labor camps