CRossword Puzzles Six crossword puzzles based on the six topics from the Constitution Bee, with answer keys. IntroductionCrossword Puzzle Introduction Crossword Key Supremacy ClauseCrossword Puzzle Supremacy Crossword Key General Welfare ClauseCrossword Puzzle General Welfare Crossword Key Necessary and Proper ClauseCrossword Puzzle Necessary & Proper Crossword Key Interstate Commerce ClauseCrossword Puzzle Interstate Commerce Crossword Key Treaty ClauseCrossword Puzzle Treaty Clause Crossword Key >> Download All Crossword Puzzles & Keys