D. Cuneiform
The Sumerians developed cuneiform, which was a system of writing in which writing was inscribed on clay tablets with a stylus. This is one of the earliest known systems of writing.
a.colonist were encouraged to revolt against a failed government
Dorothy Vaughan had six children, so it was really hard to commit to them and science at the same time. But this reconciliation was, in her case, a philosophical matter of private and public interest. What she did as a scientist helped her children too, just like so many other children, and humanity in general. As a mother, she naturally missed her children and wanted to spend more time with them; but she had this other mission as well, which was even more important, in terms of humanity.
Answer: Declare war
Explanation: Only congress has the power to declare war.
