What was the primary purpose of the Quipu in the administration of the Inca Empire?

To serve as a form of currency for trade between different ayllus

To record census data, crop yields, and historical information

To create decorative textiles for religious ceremonies and the nobility

To communicate complex military strategies over long distances

How did male commoners in the Inca Empire primarily contribute to the state under the Mita system?

By providing a set number of days of labor for government projects

By paying a tribute in the form of agricultural products or livestock

By serving as soldiers in the emperor's army for a mandatory period

By creating artisanal goods exclusively for the Incan nobility

Private land ownership and titles

Exemption from future military service

Food and care for the elderly and sick

A share of the gold mined from the mountains

By relying solely on oral traditions passed down through specialized storytellers

By using a system of knotted strings known as the Quipu for record-keeping

By developing a complex system of hieroglyphic symbols carved into stone

By employing messengers who were trained to memorize all official information