Which of the following were important achievements of the Kushites? Select all that apply.

A. the defeat of the Assyrian army****
B. the invention of one of the world's first alphabets
C. construction of the largest pyramids in the area
D. the development of Africa's first iron-working city****
E. the famous text, The Book of the Dead
F. the invention of papyrus***
G. trade networks that stretched from Greece to south of the Sahara