barnstorm vs mend fences

barnstorm

noun
  • A series of appearances in small country towns, as by a politician or a travelling theatre group. 

verb
  • To travel from town to town performing in front of small crowds. 

  • To travel around the countryside making political speeches etc. 

  • To appear at fairs and carnivals in exhibitions of stunt flying, sporting events, or theater. 

mend fences

verb
  • To repair damage to a friendship or relationship after a disagreement or other mishap. 

How often have the words barnstorm and mend fences occurred in a corpus of books? (source: Google Ngram Viewer )