Below you can find the Iowa instituted a law to allow a revival of this activity on riverboats in its waters Jeopardy Words Answer. The answer to Iowa instituted a law to allow a revival of this activity on riverboats in its waters has 8 letters. This clue belongs to the Law category and is part of Jeopardy Word Level 761. If you scroll near the bottom you will find other clues and answers part of level 761