Who was the powerful and ruthless leader of the soviet union from 1929-1953 who also ordered the great purge in which he had his real and imagined enemies arrested?

The correct answer is Joseph Stalin.

Explanation:

Joseph Vissarionovich Stalin was a Soviet politician who led the soviet union from 1929 - 1953. Stalin self declared himself as the dictator by 1930s. He was the person behind the Great Purge or "Great Terror" in which around a million were imprisoned and some 750,000 were executed. This campaign was led just to execute all those who were a threat to his party.

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