Why did the roads of the Incan empire comprise such a complex network?
A - The trade routes with other civilizations were complicated.
B - The Inca were experimenting with new forms of technology.
C - The empire was expansive, and the geography was varied.
D - The Inca felt the gods wanted them to build in areas with difficult terrain.

Your good choice is:

C - The empire was expansive, and the geography was varied.

Explanation:

The Inca empire spanned from Ecuador to Bolivia from north to south, it means thousands of kilometers. Inca rulers had fought wars of conquest and had enlarged the empire, dominating many peoples. It included areas with diverse climates: mountainous, tropical, coastal and other types. The roads served the purpose of speeding communication and interconnection, just as the Roman roads in Europe did.

yes.

explanation:

because it let the japanese know who had the upper hand in the war.

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