Astronomy occupied an important place in the Inca civilization. Astronomic observations played a role in everyday life. They identified constellations and single stars and gave them a purpose; they believed that all in the universe was interconnected. Those findings were also applied to agriculture, a relevant practical use. Their religion was associated to astronomy. They had their own system of counting, the quipu, with cords and knots.
"China had limited trade <span>opportunities with other civilizations, but Egypt had several" would be the best option from the list, since China was more isolated and Egypt at the Nile at its disposal. </span>
