11.   Starved of foreign aid money, the country collapsed into war last year.

12.   The party attracted little support and collapsed into political oblivion.

13.   The stone subsequently collapsed into their diggings, to be found there by Borlase a century later.

14.   The white chair looks soluble, as if it might crumble, collapsing into a pile of infinitesimal white flakes.

15.   We both collapsed into helpless giggles.

16.   When she heard my voice she gasped, then collapsed into giggles.

17.   When too many snap, the whole web collapses into a sticky mess.

18.   The girls collapsed into a fit of the giggles.