European imperialism in Africa crossword

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Across
  1. 4. was hired to go find Livingstone
  2. 5. Was caused due to the discovery of gold
  3. 7. search for new markets and raw materials
  4. 9. abused the Congo
Down
  1. 1. Set out to explore Africa and the Congo
  2. 2. applied Darwin's theory of natural selection to society
  3. 3. Traveled deep into Africa in the late 1860's and disappeared
  4. 6. the superiority of one race over another
  5. 8. empire as the measure of national greatness