The long graveyard is another name for the great wall of china.
Hope this helps you out!:)
Either E or C. Pretty sure. Hope this helps!!
Wait it isn't 5! Just a second. It is -15
-4 times 5 is negative 20. When you add 5 to negative 20, it becomes -15
The Mali Empire collapsed in the 1460s CE following civil wars, the opening up of trade routes elsewhere, and the rise of the neighbouring Songhai Empire, but it did continue to control a small part of the western empire into the 17th century
(Hope this helps)
Portugal was the first to send explorers in search of the all-water sea route
