Which of the following describes an achievement of the Sumer civilization?
AThe establishment of social equality for all men and women
BThe development of the earliest trade route between Africa and Asia
CThe creation of the first known system of writing
DThe irrigation of King Nebuchadnezzar’s famous hanging gardens
AThe establishment of social equality for all men and women
BThe development of the earliest trade route between Africa and Asia
CThe creation of the first known system of writing
DThe irrigation of King Nebuchadnezzar’s famous hanging gardens