Short answers, pulled from the story.
Russia faced a national debt of 50 billion roubles with foreign debts exceeding 11 billion roubles. Industrial production dropped by over 36% compared to 1914 levels and half of all enterprises in the Urals and Donbas regions closed their doors.
The Bolshevik Central Committee voted ten to two for an armed uprising on the 10th of October 1917. Lenin declared that the time for revolution was fully ripe at this meeting.
Leon Trotsky led the revolutionary military committee which included armed workers, sailors, and soldiers. This group coordinated actions such as seizing the Central Telegraph office and capturing major government facilities.
The Socialist Revolutionary Party won 370 seats out of 715 total seats in the legislative body. The Bolsheviks won 175 seats while the Assembly rejected Soviet decrees on peace and land before dissolving itself.
As many as ten million people perished during the conflict from 1918 until late 1922 with most victims being civilians. The United States did not recognize the new Russian government until 1933 while European powers recognized the Soviet Union in the early 1920s.