Creation is the child of necessity

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Across
  1. 2. – The “mother of invention.”
  2. 4. – A basic object made to help perform a task.
  3. 6. – The ability to recover and keep going in hard times.
  4. 7. – A lack of resources, often a trigger for invention.
  5. 8. – Early human discovery used for warmth and cooking.
Down
  1. 1. – The creative force behind many solutions.
  2. 3. – Often paired with necessity to fuel discovery.
  3. 5. – A sudden, important advance.