1. The correct answer is C. An extensive system of canals and reservoirs have been found in the archaeological sites of the Moche civilisation. Their agriculture activities benefitted from the canals used to collect water and irrigate their land.
2. The correct answer is B. The Huari and Tiahuanaco are two empires that rose and fell around the same and their relationship seems still unclear. Their shared iconography in art proves that there was a definite interaction between the two empires and affiliation between the two cities.
3. The correct answer is B. The conquered people were allowed to keep their own religion and language, but they were constantly reminded that Inca religion and culture are more important. The Inca government ruled over a territory with 10 million subjects speaking more than 30 different languages.
4. The correct answer is A. Incas have been using antiseptics and anaesthetics in order to perform surgeries. One of the most impressive examples is the brain surgery they performed, by removing specific parts of the skull. They used coca leaves as anaesthetics and painkillers.
5. The correct answer is A. The Inca mastered the art of weaving, an art that had many uses. They created beautiful textile art but they used weaving for keeping records and communicating information. In order to do so, they created the "quipu", which was a portable device believed to act as a substitute for writing. It consisted of a main cord with a set of many strings of different length and colour hanging from it.
