1. SS6H7
Vocabulary

2. An emperor or king. The former emperor of Russia.
CZAR
An emperor or king. The former emperor of Russia.
Czar Nicholas II

3. Revolution
an overthrow and the replacement of an established government  by the people governed.

4. Communism
a government system in which all property is held in common, ownership of all property belongs to the community as a whole or to the state.

5. Treaty
a formal agreement between two or more  states in reference to peace, alliance, commerce, or other international relations.

6. a member of the Russian communist party.
Bolshevik
a member of the Russian communist party.
Vladimir Lenin

7. Economic Depression
A sustained, long-term downturn in economic activity, marked by high rates of business failures, joblessness, and homelessness.