Guess the object from the theme (:

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Across
  1. 2. Asian country that was divided in a war
  2. 4. An adverb coming from the word love
  3. 6. A bird used often in food
Down
  1. 1. One divided by two
  2. 3. Going the opposite way
  3. 5. One of the five tastes, releases endorphin
  4. 7. Opposite of cold