National Puzzle Day

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Across
  1. 3. What is the worlds largest body of fresh water?
  2. 6. When was the first Christmas tree set up in the Whitehouse?
  3. 8. What is the largest Native American tribe in America?
  4. 9. How many national parks does the united states hold?
Down
  1. 1. How many times was the American flag modified?
  2. 2. How many territories does America have?
  3. 4. What is the largest state in the U.S?
  4. 5. How many stripes does the American flag have?
  5. 7. What is the first university established in the U.S?