What could an archeologist infer from the fact that fish bones have been found at mountain sites of the inca empire, while potatoes, a mountain crop, have been found at coastal inca sites?

Based on the information provided in this passage, an archaeologist could infer that different regions of the Inca Empire traded with each other. The fact that various agricultural products from different regions can be found across the Inca territory is evidence of the practice of trade that was carried out throughout the Empire. The Empire was able to do so despite the difficult terrain where it was located and the lack of large animals for transportation.

i confess that there are several parts of this constitution which i do not at present approve, but i am not sure i shall never approve them: for having lived long, i have experienced many instances of being obliged by better information or fuller consideration, to change opinions even on important subjects, which i once thought right, but found to be otherwise. it is therefore that the older i grow, the more apt i am to doubt my own judgment, and to pay more respect to the judgment of others.

is that it?

explanation: