Answer:
By October 1990, Germany was reunified, triggering the swift collapse of the other East European regimes. People celebrating the fall of the Berlin Wall. Thirteen months later, on December 25, 1991, Gorbachev resigned and the Union of Soviet Socialist Republics dissolved. reunification caused by gorbachev, resulted in the iron curtain countries to gain independence.
Explanation:
22 is the third choice. 23 should be the second option. I don’t know the first one.
I believe you should follow the line and see where it ends up
Hope this helps
