Answer:
This is my personal opinion so you don't need to agree with me.
Step-by-step explanation:
People were tired. Everyone: -the army because they weren't given enough equipment for the war
-the peasants, workers and the ethnic minorities because the widows and children didn't always receive state war pensions, the living and working conditions were horrible since nobody was getting paid enough
-the middle classes because Duma politicians had been dismissed by the Tsar
-the aristocracy because they suffered terrible losses due to the war and did not like Rasputin
Not only did things not get better, but the people were ignored first by the Tsar then by the Provisional Government. Twice already, the people in power had failed to improve the living conditions of the Russians; People just had to take matters in their own hands and have a leader that understood their current situation. They were ready to die to let their children have a better life.
However, after the Socialists managed to take power, Lenine and the Bolsheviks became too aggressive and Lenine was power-hungry and then he just lost it.
Hope this helped :)