Final answer:
The Inca Empire had a population of around 10 million people in its largest period.
Step-by-step explanation:
The Inca Empire, also known as the Incan Empire, was the largest empire in pre-Columbian America. At its peak, it spanned a vast territory in South America and had a population estimated to be around 10 million people. This population included both Inca citizens and conquered peoples.
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