Answer :
Eleven republics of the former soviet union are members of the trade agreement Commonwealth of Independent States.
What is a trade agreement?
This is the term that has to do with the bilateral or the multi lateral agreement to trade that exists between two nations or more nations. This is a way that is used to establish good friendship between the nations that are involved.
Hence we can say that Eleven republics of the former soviet union are members of which trade agreement Commonwealth of Independent States.
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