Stone mason and concrete but their concrete that they used was one of a kind but nobody knows their recipey to make it
These societies arose from a blend of old populations familiar with the environment and new immigrants with fresh skills to impart.
Answer: The captains would explain to the tribal leaders that the their land now belonged to the United States, and that a man far in the east – President Thomas Jefferson – was their new “great father.”
Explanation:
Answer:
Gave the world first democracy, they took the first scientific approach to develop medicine, they also helped develope geometry and other math
Answer:
To justify their authority to rule.
