What was common to the Aztec and
Inca Empires when the Spanish first
encountered them?

Explanation:

Interestingly, prior to the arrival of the Spanish, the Aztec and the Aztec and  Inca Empires apart from engaging in farming activities, Aztecs used most of their time in the construction of large buildings.

In the meantime, it was common for those in the Inca empire to engage in the building of  roads and bridges.

As regards their religious system, both the Aztec and Inca empire were known to worship many gods.

it affected it because the kingdoms (with trade) slowly got richer and richer.

we need the answer choices to answer the question