What was a common feature of civilizations in both mesoamerica and south america during the classical era? a. the practice of spreading culture peacefully to surrounding regions b. the establishment of public schools of thought where philosophy was discussed c. an advanced system of manufacturing textiles, such as silk d. a highly organized social system with priests and other leaders at the top

C.An advanced system of manufacturing textiles, such as silk

Explanation:

The Classic Period of America corresponds to the fourth period in which the Prehistory of America is divided for purposes of study, between 292 and 900. It is the era of splendor of the most outstanding civilizations of the continent, especially in Mesoamerica, as the Maya.

In Ancient Peru, it begins with the appearance of the militarized states of the Moche and Nazca cultures: states of territories reduced to one or few coastal valleys with a regular military force. Subsequently, the influence of the Huari culture and the Tiahuanaco culture in the area near the Collao plateau, including the valleys of the south coast, appears throughout ancient Peru.

This period is characterized because civilizations grew, built large cities using large stones that were carved for that purpose. They also improved the techniques of agriculture, goldsmithing, metallurgy and ceramics and social for publication.

c]extended voting rights to african americans