The Incas lived in the tough territory of the Andes. They
found ways to overcome their difficulties by building numerous roads and
bridges. They constructed more than 18,600 miles of paved roads in Andes. Since
1994, these roads and bridges have been protected by the UNESCO World Heritage
Sites.
A. Kingdoms! Hope this helped :)
The answer Your Looking For Is B
Well, Mesoamerica was part of a historical transformation and the formation of New World cultures.