Lenin wanted to completely transform Russia from a tsarist autocracy to a communist. This made people imagine how equal and better life will be after the repeal of the Tsar.
On the Eastern Front, the Russian army was struggling to hold on against the German military because of the shortages. Russia was struggling to produce enough weapons or food to support the war effort. Millions of Russian soldiers and civilians died in the war. This completely discouraged the Russian soldiers that were fighting in the war, observing their comrades dying and couldn't do anything about it since they had no weapons.
As strikes and demonstrations spread, the government called in troops, or the “Okhrana” to enforce peace. However, most of them were already against the Tsar and decided to join the protesters’ side. This created great civil conflict. At this point the Tsarist form of government was ruined. In the photograph, soldiers with drawn swords and bayonets gather around a banner bearing the slogan, "Down with the Monarchy!” as they sided with each other to bring Russia into its “golden age”. They took over the public buildings and police stations. This shows the lack of support they had to the Tsar. They refused to fire any weapons because they were aware of the horrible