The Crucible
why is elizabeth spared for a year
act three
act three
Danforth tells Proctor that his wife is pregnant; although Proctor did not know this, he tells them that Elizabeth never lies. Danforth agrees to let Elizabeth live another month so that she may show signs of pregnancy, and if she is pregnant she will live another year so that she may deliver.
http://www.gradesaver.com/the-crucible/study-guide/section3/