How did the people of the soviet union react to the independence of many eastern european countries?

Not all All Eastern European Countries were part of the Soviet Union (USSR) of them. The following European countries were part of the USSR before its disintegration in 1992: Russia, Estonia, Latvia, Lithuania, Belarus, Ukraine, Moldova. Plus the three Caucasus countries which are sometimes considered part of Europe: Armenia, Georgia, Azerbaijan.

Your answer is 2 because you do keep change flip when you divide fractions