The Inca Empire was a powerful civilization that thrived in the Andean region of South America from the early 15th century until the Spanish conquest in the 16th century. It was known for its advanced agricultural techniques, impressive architecture, and extensive road systems that connected various parts of the empire. At its height, the Inca Empire stretched from modern-day Colombia to Chile, encompassing diverse cultures and languages. The Incas practiced a unique form of governance and religion, with the Sapa Inca as their supreme ruler, believed to be a descendant of the sun god, Inti.