The area of Egypt and the Nile delta comprises one of the largest deltas in the world, extended along 240 kilometres of the Mediterranean shore. The delta starts a bit more to the North from the Egyptian capital, El Cairo.
It is an extremely rich agricultural area, which constituted the basis of the ancient civilizations established in the region. It has been exploited for thousand of years, due to the particularity that it used to flood anually, and the sediments left became high quality fertilizers for crops. Nowadays it has not flooded anymore since the construction of the Aswan Dam.
About 39 million people inhabit this area, and the largest city is Alexandria. Even though this region is economically quite important, it also registers most data-poor regions with respect to sea level rise
Since 1923 a rock found with inscriptions have been studied. The symbols look just like Viking Runes that would sustain the theory that Vigings have been to America long before Columbus. The theory is however contested by experts, some of which thinks that itis a hoax. The rock is known as "the Heavener Runestone".
It necessary and proper clause a source of ongoing debate because the clause deals with powers that are misinterpreted and are ambiguous. Thank you for posting your question. I hope this answer helped you. Let me know if you need more help.