Early European explorers tended to think of Native Americans as a single, undifferentiated people because these "Indians":
spoke essentially the same general language.
shared certain basic physical features.
engaged in common governmental and economic patterns.
practiced similar religious and cultural ceremonies.

Early European explorers tended to think of Native Americans as a single, undifferentiated people because these "Indians" engaged in common governmental and economic patterns.

Option: C

Explanation:

Native Americans refers to those who lived in American continent since ages. They are literally habituated in same type of governmental and economic pattern. They used to put more emphasis on economic issues rather than religious beliefs. They are earlier people and used to speak in their own regional languages which varies from each other.

Their physical features are common in some cases. But most of them are unique in their own way. They used to practice simiiliar religious and cultural traits like sometime used to worship idol sometimes not.

b. andrew