What is the name of the language spoken by the Inca in AD 1400

the Inca rulers made Quechua the official language of Cusco

Explanation:

Quechua

Explanation:

Quechua is one of the most valuable cultural contributions in Peru's history. Commonly referred to as Runasimi (“language of the people”), Quechua was the patrimonial language of the Inca people.

In similar ways, diverse dialects developed in different areas, borrowing from local languages, when the Inca Empire ruled and imposed Quechua as the official language. After the Spanish conquest of Peru in the 16th century, Quechua continued to be used widely by the indigenous peoples as the "common language".

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but whats the question? ?

explanation:

answer; the period of time known as the middle ages;