Answer:
It was David Livingstone who was the first to cross the African continent. He did so under great amounts of danger and would eventually die a mysterious death in Africa.
Explanation:
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1) Explain the double crown:
~ Pschent. The pschent was the double crown worn by rulers in ancient Egypt. The ancient Egyptians generally referred to it as sekhemty, the Two Powerful Ones. It combined the White Hedjet Crown of Upper Egypt and the Red Deshret Crown of Lower Egypt. The Pschent represented the pharaoh's power over all of unified Egypt.
2) Why did Egyptian pharaohs build such huge monuments?
~ The Egyptians believed in the afterlife, they believed after everything died, they should be brought to the afterlife and have a great time there too, hence they built monuments to respect their people!
3) How were Egyptians protected due geography?
~ The Egyptians were protected from invaders due to their geographical features. For example, they had the Mediterranean Sea to the north along with the Nile Delta. This body of water blocks off land on the other side. If intruders were to come to Egypt, they would have to go by boat. In conclusion, Egypt had a lot of important stuff!
The Navajo were especially valued by the military because they could be used as code talkers and translators