C. Copperheads.............
The culture of California is tied to the culture of the United States as a whole. However, there are features that are unique to California. With roots in the cultures of Spain, Mexico, and the eastern United States, California integrates foods, languages and traditions from all over the world.
for invention of writing:
messages on your phone, your's text books, note books, diary, any written messages on any packages for information and guidance, doctor's prescription, teacher's comments and marking of your test papers , road signs and information along road sides for guidance, all are possible due to invention of writing.
For invention of wheels:
all vehicles are able to run due to invention of wheels
C. i think B but it can't be B cause the cultural revolution happened way before modern times so go with C or D
