The greatest unifying force of the ottoman empire was a common religion.
On ascending chronologial order, this is how the events took place:
- Involvement in World War I causes hardships on Russia.
- A rebellion forces Tsar Nicholas II from Power.
- Russia pulls out of World War I.
- Vladimir Lenin and the Bolsheviks seize power.
I think the answer is C because it would be too hard for them to fled to Canada and they would not stay slaves by choose and didn’t protest because they would get killed