Types of contract

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Across
  1. 2. Only one party makes a promise
  2. 3. Created by law to prevent unfair benefit at the cost of others loss
  3. 5. Follows all legal rules
  4. 6. Both parties promise to do smth
Down
  1. 1. The parties clearly say or write down their agreement
  2. 4. It is created and understood from the actions