Historical clue formulations

• Grounds — 2025-12-12
• Principle to fight for — 2020-11-02
• Reason for a donation — 2020-10-02
• Gay rights or climate change — 2020-03-18
• Something to believe in — 2019-08-06
• Effect's counterpart — 2017-07-24
• Gay rights, e.g. — 2015-06-28
• Philanthropist's focus — 2015-02-11
• "Rebel Without a ___" — 2015-01-26
• Effect's partner — 2013-10-29
• Just ___ ... or "Just '___" — 2012-12-23
• Free Tibet, e.g. — 2010-03-21
• Save the Whales, for one — 2010-01-19
• Touch off — 2008-11-23
• Revolution, for one — 2006-09-24
• Something worth fighting for — 2006-02-09
• Make happen — 2006-02-06
• Civil rights, e.g. — 2004-02-29
• Equal rights, e.g. — 2003-06-06
• An activist has one — 2003-04-18
• It may be lost — 2003-03-15
• Grounds — 2002-05-02
• What an activist has — 2001-12-26
• Partner of effect — 1999-08-09
• ___ célèbre — 1998-11-30
• Root — 1998-01-23
• Bring about — 1998-01-08
• Idealist's need — 1998-01-02
• Reason why — 1995-08-01
• Movement — 1994-07-26
• Grounds — 1994-06-26
• Trigger — 1994-06-14