Complex sentence: Following the outbreak of the German Revolution, Liebknecht carried on his activities in the Spartacist League; he resumed leadership of the group together with Luxemburg and published its party organ, "Die Rote Fahne" ("The Red Flag").
Split into simpler sentences: Following the outbreak of the German Revolution, Liebknecht carried on his activities in the Spartacist League. He resumed leadership of the group together with Luxemburg and published its party organ, "Die Rote Fahne" ("The Red Flag").