 Complete the following sentence: The 1st Army  was an army-level command of the Russian Imperial Army created during World War I. The First Army, commanded by General Paul von Rennenkampf, was an army-level command of the Russian Imperial Army created during World War I. The First Army, commanded by General Paul von Rennenkampf, was an army-level command of the Russian Imperial Army created during World War I. The First Army, commanded by General Paul von Rennenkampf, was a command of the Russian Imperial Army created during World War I. The First Army, commanded by General Paul von Rennenkampf, was an army-level command of the Russian Imperial Army created during World War I. : wọn gbógun ti ìlà oòrùn Prussia nígbà tí ogun bẹrẹ ní ọdún 1914 pẹlú ẹgbẹ ọmọ ogun kejì tí ọgágun Alexander Samsonov ń darí. Lẹyìn tí Ilẹ Ọba Rọṣíà kéde ogun sí Ilẹ Ọba Jámánì, ó yára kánkán láti kó àwọn ọmọ ogun rẹ lọ. Gbogbo àwọn ọmọ ogun ilẹ Rọṣíà wà lábẹ ìdarí Nikolai tó jẹ Ọmọba Ọba àti Jeneral Yuri Danilov tó jẹ ọgágun rẹ. 