 Complete the following phrase:  But democracy was no simple task, and the Provisional Government that took over the countrys administration needed the cooperation of the Petrograd Soviet, an organization that united leftist industrial laborers, to function and survive. Under the uncertain leadership of Alexander Kerensky, however, the Provisional Government mismanaged Russias continuing involvement in the war, prompting angry reactions from the Petrograd workers, who drifted further and further to the left. The Bolsheviks, a communist group led by Vladimir Lenin, seized the political opportunity from this confusion and launched a 