What did unrest in Russia military first lead to in 1917?

Question by ciera merli: What did unrest in the Russian military and civilian population first lead to in 1917?
1.]the signing of a treaty with Germany to end Russia’s involvement in the Great War
2.] the abdication of Tsar Nicholas II and the establishment of a Provisional Government
3.] the creation of the Union of Soviet Socialist Republics with Lenin in absolute power
4.] the onset of civil war between the Bolsheviks (the Reds) and former Russian generals (the Whites)

Answers and Views:

Answer by Spellbound
In order, with dates:
1) Tsar Nicholas abdicates – March 1st (Old Style)
1a) The Bolsheviks seize power – October 1917
2) The onset of Civil War – November 1917
3) The signing of the Treaty of Brest-Litovsk – ending hostilities between Russia and Germany –
4) The creation of the Union of Soviet Socialist Republics, Lenin as leader, but not in absolute power – divisions and disagreements were permitted – December 28, 1922

What do you think? Answer below!