The Marxist Union (MU) was the furthest left-wing political party in the People's Democratic Soviet Republic of Strathclyde. Prior to the nation's dissolution, the MU controlled 27 out of the 503 Delegates in the Grand Parliament of Strathclyde, having won 11.1% of the popular vote in the last election. His Worship J Lannum, Head Justice of the Supreme Court, was a member of the MU.