The civil war that has been going on for six years in Russia has become one of the most tragic pages in the almost thousand-year history of our state. The conflict involved people of all classes and nationalities, who until recently peacefully coexisted throughout the vast Russian Empire. What was the main background of the conflict? How were the centers of resistance to the new government formed? Who was part of the White Army? What was the attitude of the Russian Orthodox Church to the war?