The Moscow Trials were a series of trials of political opponents of
Joseph Stalin during the Great Purge. Many of the defendants were
executed. The purpose of the trials was to eliminate any potential
political challengers to Stalin's authority, especially Old
Bolsheviks.
Citation:
Editors. "Moscow show trials begin".
The Literary Encyclopedia. First published 01 May 2009
[http://www.litencyc.com/php/stopics.php?rec=true&UID=7167, accessed 20 May 2013.]