Nubian kingdom
Rival to Egypt, the Nubian kingdom of Kush exuded power and gold.
O·ri·en·ta·tion
noun
the determination of the relative position of something or someone (especially oneself).
One example would be that it makes it easier to calculate very long numbers like understanding
How many zeros are in 3000000000000 would be more complex than just writing it as 3x10^12
Islam spread to various locations in various periods but the first place from which and to which it spread would be D - from Mecca and Medina through Arabia. Islam eventually spread even to further lands such as Europe, the US and Asia.
Although these two historical figures were of course very different in many ways, they were both strong nationalists who hated when their home was invaded.