Historical clue formulations

• Compel observance of, as laws — 2015-02-16
• Carry out, as a law — 2014-09-22
• Put teeth into — 2013-03-03
• Compel obedience to — 1999-02-08
• Implement — 1997-01-05
• Compel compliance of — 1995-10-08
• Use the police — 1995-03-18