Historical clue formulations

• Social influence — 2021-10-11
• Ability to effect change — 2018-12-05
• Political muscle — 2014-04-27
• Influence ... and a hint to 20-, 26-, 46- and 56-Across — 2011-09-28
• Pull — 2004-12-19
• Influence — 2003-01-24
• Influence — 2002-03-29
• Pull — 2001-12-21
• Influence — 2000-08-14
• Influence — 1994-12-13