I believe it is B if im wrong forgive me.
Answer:
These are the good answers:
- Millions had been killed;
- Food and supplies were running out;
- Soldiers were forced to fight.
Explanation:
The overthrowing of the tsar was a consequence of the Russian chaos following a terribly bad military campaign. Russia was not fully industrialized when it entered WWI.
They felt is was a threat that the french was trying to take over