1) They allowed sailors to go on longer voyages
2) Help navigators map the coastlines
Answer:
It was because, the Dutch didn't want to fight because, they could already see that they were out numbered, them having 9,000 civilians (some not even warriors) with the English having three times the number of soldiers. Hope this helps
Explanation:
Pachacuti was the ninth Sapa Inca
During his reign, Cusco grew from a hamlet into an empire that could compete with, and eventually overtake, the Chimú.