Pick two answers please.

Answer:
3) & 5)
Explanation:
1) Not 1 as that doesn't even count as an event in the cold war.
2) The communist method fell from the end so it isn't 2.
4) Not 4 as the US didn't surrender but provided contracts and treaties.
3) Both these places were bombed within the events of 1991(the end of the cold war)
5) The Soviet's were being under pressured and were forced to surrender.