| Reason |
| Induce |
| Motive |
| Purpose |
| Produce |
| Grounds |
| Mission |
| Lead to |
| Trigger |
| Campaign |
| Movement |
| Bring on |
| Occasion |
| Result in |
| Touch off |
| Root ____ |
| Instigate. |
| Reason why |
| Lost or be |
| Mainspring |
| Bring about |
| Make happen |
| Precipitate |
| Give rise to |
| Justification |
| __-and-effect |
| Effect's mate |
| ___ célèbre |
| Beck "Lost ___ |
| Crusader's bit |
| Effect go-with |
| Rallying point |
| Effect preceder |
| Reason to rebel |
| The whales, say |
| Worthy endeavor |
| Effect producer |
| Idealist's need |
| Activist's drive |
| Effect's trigger |
| Free Tibet, e.g. |
| Gay rights, e.g. |
| Activist's focus |
| Effect's partner |
| ___ célèbre |
| Ground for action |
| Protest principle |
| Reason to protest |
| Thing to champion |
| Underlying reason |
| Partner of effect |
| Civil rights, e.g. |
| Effect's beginning |
| Equal rights, e.g. |
| Activist's concern |
| Thing to fight for |
| Activist's passion |
| Activist's pursuit |
| Be responsible for |
| Rebel Without a ___ |
| An activist has one |
| Revolution, for one |
| Global warming, e.g. |
| Effect's counterpart |
| What an activist has |
| Revolutionist's need |
| Conservation, to many |
| One may be charitable |
| Reason for a telethon |
| Something to rally to |
| Something to champion |
| Reason to demonstrate |
| The why and wherefore |
| Philanthropist's focus |
| Champion's inspiration |
| It may be lost or just |
| Charitable undertaking |
| Something to fight for |
| Saving the whales, e.g. |
| Terse response to "Why? |
| Part 11 of today's quote |
| Save the Whales, for one |
| Just ___ ... or "Just '___ |
| Effect, or effect's partner |
| Good and sufficient reason. |
| Reply to "Why'd ya do that? |
| Something worth fighting for |
| Criminal justice reform, e.g. |
| Kid Rock "Devil Without a ___ |
| ___ celebre (hot-button issue) |
| Probable ___ (Fourth Amendment term) |
| Proximate ___ (tort case prerequisite) |
| Rebel Without a ___" (James Dean movie) |