Could be historical interpretation! Sounds like that is the most likely answer!
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.
C) Zebulon Pike led the first expedition that explored the new purchased Louisiana territory. Specifically, Pike was sent out by Thomas Jefferson to explore and document the southern portion of the Louisiana Territory and to find the headwaters of the Red River. However, his expedition happened during the same time as the Lewis and Clark expedition.
