 Complete the following phrase:  In 1918 he was sentenced to 1 year imprisonment for his participation in an anti-war demonstration at Elbing throughout the German Revolution of 191819. After his release from prison Reimann moved to Ahlen in 1920 to work as a miner, joined the German Coalminer Union and became a full-time official of the Communist Party of Germany KPD in 1921. Reimann fought against the French 