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Rodas Rodas
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Posts: 6549
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6 years ago
One of the essential technological and agricultural breakthroughs for the Tiwanaku was/were:
 
  a. dams and dikes.
  b. advanced accounting system.
  c. raised fields and irrigation ditches.
  d. oxen and other beasts of burden.
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swakeswake
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6 years ago
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Rodas Author
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Thanks
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Brilliant
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