Because people experience the world differently.
Everything, from their point of view to the emotions they were feeling at the time, can influence how somebody remembers something.
It was ised alot. and stolen by indians
As far as I am concerned Gao was not one of the Songhay Empire's major ones but I bet two answers should be acceptable in this question. I also think that you can include the third option from the scale represented above because <span>Algiers were quite far away on north so they couldn't be the part of the Songhay. </span>
The sixth president of the US was, John Quincy Adams