What does the cryptic crossword clue "Regulated state - alternative to Red Revolution? (5)" mean?

The wordplay uses anagram, charade. anagram of RED ("Red") [anagram: "state -"] + OR (abbreviation of "alternative") = ORDER The answer is ORDER.

Regulated state - alternative to Red Revolution? (5)

Guardian Cryptic #23870 | 9 Across | 2006-09-13 flower