The reason the Tsar could not enforce his role after losing control of his soldiers was because he was forced to abdicate.
During the February Revolution of 1917, the Tsar was forced to abdicate when his soldiers turned on him.
The reason for this was that the soldiers had always allowed him to maintain control and so their rebellion meant that the Tsar could no longer control Russia.
Find out more on the 1917 Revolution at https://brainly.com/question/810738.
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