English as a means to understand new trends

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Across
  1. 3. made more modern or up to date.
  2. 4. someone's way of living.
  3. 6. the way in which one acts.
  4. 7. the earth, together with all of its countries and peoples.
Down
  1. 1. the person who leads or commands a group, organization, or country.
  2. 2. developments that have been done using scientific knowledge.
  3. 5. an ability to do an activity or job well.
  4. 6. the activity of buying and selling goods and services.