High Quality Content by WIKIPEDIA articles! The Communist Party of Bohemia and Moravia, abbreviated to KS M, is a political party in the Czech Republic. It has a membership of 82,994 (2006) and is a member party of the European United Left - Nordic Green Left bloc in the European Parliament. It is also the only former ruling party in post-communist Eastern Europe not to drop the communist title from its name, although it changed its party program to suit laws adopted after 1989.