Northwest __, Decree to Expand US Territory
This page is the CodyCross answer for the clue below from All Things Water, Group 1285, Puzzle 2 (Hydropower).
Question is: Northwest __, Decree to Expand US Territory
and the answer is: ORDINANCE
Word Meaning:
ORDINANCE — (US) A local law, passed by e.g. a city.
Definitions from Wiktionary.