Back in school quiz

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Across
  1. 2. persecution of Jews
  2. 5. goddess symbolizing the US before Lady Liberty
  3. 7. type of building where immigrants lived together
  4. 9. reproduction between people of different ethnic groups
  5. 10. disease of the potato
  6. 11. be in favor of or defend sth
  7. 12. the main part of sth; essence
Down
  1. 1. name of a ship transporting Irish people
  2. 3. summarize the essential elements of sth
  3. 4. historian with a thesis about the frontier
  4. 6. having religious texts as a foundation
  5. 8. political party represented by a donkey
  6. 13. space located at the bottom of a ship