Which areas where seperated by the iron curtain

Separate international economic and military alliances were developed on each side of the Iron Curtain. The nations caught behind the Iron Curtain were Poland, East Germany, Czechoslovakia, Hungary, Romania, Bulgaria, Albania and the USSR

i think option 3. would be ur best bet and u need to write it urself

have a good day

the triple alliance. germany and austria-hungary were already allies by 1879 when, worried about a threat from russia, they formed the dual alliance. italy joined the group in 1882. there was a concern about a possible attack from france and the alliance needed powerful friends to defend it.