1861-1865 American civil war/2001 911/joseph cesar

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Across
  1. 3. - a system which is when a human being is legally owned by another as property.
  2. 5. - the New York skyscrapers that were destroyed during the terrorist attack.
Down
  1. 1. - use boats to block people from entering or exiting an area.
  2. 2. - a person who does unlawful violence.
  3. 4. - the northeast states that stayed loyal to the u.s government.