A typical passage through the panama canal would take 8-10 hours
The Egyptian civilisation was built along the river Nile and the annual flooding of the river allowed for rich soil, meaning that crops could easily be grown. : )
I’m not entirely sure what is being asked here, but the Tigris and Euphrates rivers is the only place in Egypt (besides the nile delta) with non-arid ground. That’s why most people live around there:
