Cover of the textbook Solutions Advanced - Workbook

The key answer of exercise 4

The key to exercise solutions in chapter 9C - Lost civilisations for the textbook Solutions Advanced - Workbook with authors Tim Falla and Paul A. Davies from Oxford University Press

Question

Listen and answer the questions.

Answer

  1. Cambodia, Laos, Thailand and Vietnam
  2. Between the 11th and 13th centuries.
  3. They developed a road network, canal system and reservoirs.
  4. The Thais in 1431.
  5. There are no historical records so it remains a mystery.

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