Which key features of the civilizations’ artifacts suggest an interdependence among cultures in the Americas?

There are several key features of civilizations' artifacts that suggest an interdependence among cultures in the Americas:

1. Trade goods: The presence of trade goods in archeological sites indicates an exchange of goods and ideas between different cultures. For example, the presence of jade from Mesoamerica in the Andes suggests long-distance trade and cultural interaction.

2. Shared artistic styles: Many artifacts across different regions of the Americas show similar artistic styles and motifs. For instance, the use of motifs like feathered serpents and jaguars can be seen in both Mayan and Aztec art, indicating a spread of artistic themes across different cultures.

3. Common architectural practices: Similar architectural styles can be found in different regions of the Americas, suggesting cross-cultural influence and interdependence. For example, the use of stepped pyramids can be seen in Mesoamerican civilizations like the Maya and the Aztecs, as well as in the ancient city of Caral in Peru.

4. Agricultural knowledge and practices: The cultivation of crops like maize, beans, and squash was prevalent across different civilizations in the Americas. The shared knowledge and practices of agriculture indicate an exchange of agricultural techniques and crops between cultures.

5. Cultural borrowing: The presence of similar cultural practices and beliefs among different civilizations in the Americas suggests cultural borrowing and interdependence. For example, the ballgame known as ulama was played by different civilizations across Mesoamerica, indicating a shared cultural practice.

Overall, these key features in the civilizations' artifacts suggest that there was a significant interdependence and exchange of goods, ideas, and cultural practices among different cultures in the Americas.