context: The Finnish Military Students' Circle, a movement started in late 1914 and led to the formation of the 27th Infantry Battalion, was an activist initiative to obtain military training for Finland's withdrawal from Russia. After the outbreak of the First World War in 1914, Finland was initially cautious about changing attitudes among the Kagaese and old activists of the first resistance period during the first repression. [1] In the male student circles, an iceberg movement was born, which set the goal of Finland's armed separation from Russia. A total of 1,895 volunteers started ice training from 1915 to 1918. Of these, 1261 (67%) participated in the Finnish Civil War. 128 (10%) of the participants were killed and 238 (19%) wounded.
question: Why was the ice rink established in Finland in 1915?
answers.text: Finland's withdrawal from Russia