Respuesta :

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Below are the choices that can be found elsewhere:

trained runners who carried news throughout the Inca Empire

summer dwellings used by the rulers of the Inca Empire

colored strings used to keep records in the Inca Empire 

clan groups used for taxation in the Inca Empire

The answer is trained runners who carried news throughout the Inca Empire

Trained runners who carried news throughout the Inca Empire.
Hope this helps!!!!