Question

why did the tsarist autocracy collapse in 7 1917

Answer 1

It is due to the following reasons.

Miserable condition of the workers.
The industrial workers in Russia got very low wages.
They had very long working hours.

Answer 2

social reason- In the first world war, the defeat of the russian army was shocking and demoralising. there were iver 7 million casualties and 3 million refuges by 1917. the rest of the population became hostile to the tsar.
economic reason--there were labiur shortages due to the participation of able-bodied men in war, which led to the shut down of many factories. moreove,large number of grains were sent to feed the army.in the cities,bread and flour became expensive and scarce.this scarcity led to riots at breads shops.people became cery dissatisfied with the policies of the tsar.