text: One of this organization's founders attacked their nation's foreign policy in the speech "Another View of Things."
full_question: One of this organization's founders attacked their nation's foreign policy in the speech "Another View of Things." Before being executed, that person wrote a farewell letter ending with the declaration "I am, I was, I shall be!" Sailors possibly sympathetic towards this organization rioted after being denied pay during the Christmas Crisis. This organization was the first to publish the Red Flag newspaper, and its prominent members included August Thalheimer and Clara Zetkin. In one conflict, this organization's members were opposed by units lead Gustav Noske. The leaders of this organization were executed by members of the Freikorps after a failed revolt against Friedrich Ebert's government, including its founders Karl Liebknecht and Rosa Luxembourg. For 10 points, name this German Marxist group that launched a failed namesake uprising in January 1919.
first_sentence: One of this organization's founders attacked their nation's foreign policy in the speech "Another View of Things."
raw_answer: Spartacus League [or Spartacist League; or Spartakusbund