In the early 1900s, after the Bolsheviks began to rule Russia,
the tsar and his family left Russia for Germany.
the fight for power resulted in a three-year civil war.
the Treaty of Brest-Litovsk was no longer honored.
the White Army declared support for the Bolsheviks.

B, the fight for power resulted in a three-year civil war.

Explanation:

The Tsar and his family were executed, never left for Germany.

The Treaty of Brest-Litovsk was no longer valid after the Central Powers surrendered in 1918.

The White Army was a anti-bolshevik military dictatorship.

So that leaves B.

by improved communication.

- a government ruled by the people, or assembly. officials monarchy - a single ruler like a king. over time some city-states, like athens would change governments. what this means is that all the citizens voted on all the laws.