prorogue vs shoot first and ask questions later

prorogue

verb
  • To suspend (a parliamentary session) or to discontinue the meetings of (an assembly, parliament etc.) without formally ending the session. 

shoot first and ask questions later

verb
  • To take hasty, immediate action with serious consequences, without first adequately investigating the situation. 

  • To act boldly. 

How often have the words prorogue and shoot first and ask questions later occurred in a corpus of books? (source: Google Ngram Viewer )