What war are you talking about
B. Do they could protect their interests from larger states.
The action that has come to symbolize the end of the Cold War is 3. tearing down the Berlin Wall. The Wall had been formed by the Soviet Union to separate East Berlin (Soviet-controlled) from West Berlin (Western-controlled). Its fall allowed Berliners (and Germans) from the Eastern half finally make their way to the Western half.
1.)A
2.)C
I am 100% sure on number 2 and 75% sure on 1 but if you look it up for a brief 30 seconds you will double check it