Which one of the following countries is not a member of the Commonwealth of Independence States (CIS)?
A
Armenia
B
Belarus
C
Estonia
D
Georgia
Correct Answer: Option C
Explanation
1. The Commonwealth of Independent States (CIS) was formed in December 1991 by former constituent republics of the Soviet Union.
2. Armenia and Belarus are founding members of the CIS.
3. Georgia joined the CIS in 1993 but withdrew in 2009 (after the time frame of this question, so it was a member in 2006).
4. Estonia, along with Latvia and Lithuania (the Baltic states), did not join the CIS upon the dissolution of the Soviet Union.
5. Therefore, Estonia is not a member of the Commonwealth of Independent States.