Iron Curtain

iron curtain (a barrier that greatly hinders interaction or exchange)

to be born / to come into existence

decay, deterioration, disintegration / collapse

to collapse / to decay, to deteriorate, to disintegrate

a curtain (both literal, as in a window covering: “open the curtains to let in the light”, and figurative, as in a barrier: “the Iron Curtain”)

he / distal demonstrative, something far off removed from both speaker and listener: that / boyfriend

distal demonstrative, something far off removed from both speaker and listener: that, yon / particularly, male personal third person pronoun: he / by extension from he: boyfriend

he; boyfriend

(archaic) iron / (figuratively) something extremely strong