History of Dogs

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Across
  1. 2. Even Native American dogs came to the Americas from Asia
  2. 3. Dogs could bark let you know if any human enemies were coming
  3. 6. The dog-lovers pretty much took over, all over the world.
Down
  1. 1. Most dogs had to find their own food in people's garbage, or they had to eat rats
  2. 4. Dogs are a kind of wolf.
  3. 5. Man's best friend