By April 1915, when the German Army was advancing into Latvian territory, some prominent Latvians, led by deputy Jānis Goldmanis used their position in the Duma to call on the Tsar to establish all-Latvian battalions. As Germany was advancing into Latvia, they argued, such units would be particularly effective. Latvians knew the area and had high morale because despite the policy of Russification, Latvian nationalist sentiments were more anti-German. At Jelgava two battalions of the Latvian Home Guard had already held back the German advance guard.