1. how did winston churchill describe the east/west division of europe? a. barbed-wire fence b. line of demarcation c. line in the sand d. iron curtain 2. the creation of nato and the warsaw pact were reminders of the alliances that led to wwi and wwii. a. true b. false 3. the buildup of nuclear arms was necessary to maintain a tense and fragile peace refers to a."mad" b."nato" c."un" d."opec"